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Finding the Fourth Proportional to 624,393.52, 861,663 and 337,913.67

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Solution

The fourth proportional to 624,393.52, 861,663 and 337,913.67 is: 466,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,393.52 : 861,663 = 337,913.67 : x
  2. Step 2: Convert to fraction form
    624,393.52/861,663 = 337,913.67/x
  3. Step 3: Cross multiply
    624,393.52x = 861,663 × 337,913.67
  4. Step 4: Simplify right side
    624,393.52x = 291,167,706,633.21
  5. Step 5: Solve for x
    x = 291,167,706,633.21/624,393.52
  6. Step 6: Final answer
    x = 466,320.83

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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.