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This is a sort of proportion, because if a weight in pounds is changed in a certain number of times, then this weight in Newtons is changed in the same number of times.
1 pound = 4.45 N, how many pounds are in 1 N? Denote this quantity as x.
1 pound : 4.45 N = x pounds : 1 N,
By the property of proportions
`x = (1*1)/(4.45) = 1/4.45 approx 0.225 (N).`
(actually, 0.22 is more accurate number than 0.23)
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