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Finding the Fourth Proportional to 624,270.96, 861,491.16 and 337,796.12

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Solution

The fourth proportional to 624,270.96, 861,491.16 and 337,796.12 is: 466,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,270.96 : 861,491.16 = 337,796.12 : x
  2. Step 2: Convert to fraction form
    624,270.96/861,491.16 = 337,796.12/x
  3. Step 3: Cross multiply
    624,270.96x = 861,491.16 × 337,796.12
  4. Step 4: Simplify right side
    624,270.96x = 291,008,371,262.30
  5. Step 5: Solve for x
    x = 291,008,371,262.30/624,270.96
  6. Step 6: Final answer
    x = 466,157.15

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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.