Finding the Fourth Proportional to 416,629.68, 574,984.36 and 235,374.88
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Solution
The fourth proportional to 416,629.68, 574,984.36 and 235,374.88 is: 324,837.33
Step by Step Solution
- Step 1: Write the proportion equation
416,629.68 : 574,984.36 = 235,374.88 : x - Step 2: Convert to fraction form
416,629.68/574,984.36 = 235,374.88/x - Step 3: Cross multiply
416,629.68x = 574,984.36 × 235,374.88 - Step 4: Simplify right side
416,629.68x = 135,336,874,736.88 - Step 5: Solve for x
x = 135,336,874,736.88/416,629.68 - Step 6: Final answer
x = 324,837.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.