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Finding the Fourth Proportional to 624,341.15, 861,590.78 and 337,861.24

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Solution

The fourth proportional to 624,341.15, 861,590.78 and 337,861.24 is: 466,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,341.15 : 861,590.78 = 337,861.24 : x
  2. Step 2: Convert to fraction form
    624,341.15/861,590.78 = 337,861.24/x
  3. Step 3: Cross multiply
    624,341.15x = 861,590.78 × 337,861.24
  4. Step 4: Simplify right side
    624,341.15x = 291,098,124,995.41
  5. Step 5: Solve for x
    x = 291,098,124,995.41/624,341.15
  6. Step 6: Final answer
    x = 466,248.50

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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.