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Finding the Fourth Proportional to 624,410.35, 861,688.88 and 337,930.41

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Solution

The fourth proportional to 624,410.35, 861,688.88 and 337,930.41 is: 466,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,410.35 : 861,688.88 = 337,930.41 : x
  2. Step 2: Convert to fraction form
    624,410.35/861,688.88 = 337,930.41/x
  3. Step 3: Cross multiply
    624,410.35x = 861,688.88 × 337,930.41
  4. Step 4: Simplify right side
    624,410.35x = 291,190,881,220.62
  5. Step 5: Solve for x
    x = 291,190,881,220.62/624,410.35
  6. Step 6: Final answer
    x = 466,345.38

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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.