Finding the Fourth Proportional to 624,205.20, 861,403.17 and 337,725.28
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Solution
The fourth proportional to 624,205.20, 861,403.17 and 337,725.28 is: 466,060.88
Step by Step Solution
- Step 1: Write the proportion equation
624,205.20 : 861,403.17 = 337,725.28 : x - Step 2: Convert to fraction form
624,205.20/861,403.17 = 337,725.28/x - Step 3: Cross multiply
624,205.20x = 861,403.17 × 337,725.28 - Step 4: Simplify right side
624,205.20x = 290,917,626,781.14 - Step 5: Solve for x
x = 290,917,626,781.14/624,205.20 - Step 6: Final answer
x = 466,060.88
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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.