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Finding the Fourth Proportional to 624,341.69, 861,591.54 and 337,861.78

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Solution

The fourth proportional to 624,341.69, 861,591.54 and 337,861.78 is: 466,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,341.69 : 861,591.54 = 337,861.78 : x
  2. Step 2: Convert to fraction form
    624,341.69/861,591.54 = 337,861.78/x
  3. Step 3: Cross multiply
    624,341.69x = 861,591.54 × 337,861.78
  4. Step 4: Simplify right side
    624,341.69x = 291,098,851,337.34
  5. Step 5: Solve for x
    x = 291,098,851,337.34/624,341.69
  6. Step 6: Final answer
    x = 466,249.26

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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.