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Finding the Fourth Proportional to 624,395.52, 861,665.76 and 337,915.67

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Solution

The fourth proportional to 624,395.52, 861,665.76 and 337,915.67 is: 466,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,395.52 : 861,665.76 = 337,915.67 : x
  2. Step 2: Convert to fraction form
    624,395.52/861,665.76 = 337,915.67/x
  3. Step 3: Cross multiply
    624,395.52x = 861,665.76 × 337,915.67
  4. Step 4: Simplify right side
    624,395.52x = 291,170,358,298.13
  5. Step 5: Solve for x
    x = 291,170,358,298.13/624,395.52
  6. Step 6: Final answer
    x = 466,323.59

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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.