Finding the Fourth Proportional to 541,512.92, 747,484.12 and 315,158.42
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Solution
The fourth proportional to 541,512.92, 747,484.12 and 315,158.42 is: 435,032.86
Step by Step Solution
- Step 1: Write the proportion equation
541,512.92 : 747,484.12 = 315,158.42 : x - Step 2: Convert to fraction form
541,512.92/747,484.12 = 315,158.42/x - Step 3: Cross multiply
541,512.92x = 747,484.12 × 315,158.42 - Step 4: Simplify right side
541,512.92x = 235,575,914,234.29 - Step 5: Solve for x
x = 235,575,914,234.29/541,512.92 - Step 6: Final answer
x = 435,032.86
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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.