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Finding the Fourth Proportional to 624,391.32, 861,660.01 and 337,911.41

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Solution

The fourth proportional to 624,391.32, 861,660.01 and 337,911.41 is: 466,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,391.32 : 861,660.01 = 337,911.41 : x
  2. Step 2: Convert to fraction form
    624,391.32/861,660.01 = 337,911.41/x
  3. Step 3: Cross multiply
    624,391.32x = 861,660.01 × 337,911.41
  4. Step 4: Simplify right side
    624,391.32x = 291,164,745,033.80
  5. Step 5: Solve for x
    x = 291,164,745,033.80/624,391.32
  6. Step 6: Final answer
    x = 466,317.73

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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.