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Finding the Fourth Proportional to 641,516.52, 962,270.46 and 501,393

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Solution

The fourth proportional to 641,516.52, 962,270.46 and 501,393 is: 752,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,516.52 : 962,270.46 = 501,393 : x
  2. Step 2: Convert to fraction form
    641,516.52/962,270.46 = 501,393/x
  3. Step 3: Cross multiply
    641,516.52x = 962,270.46 × 501,393
  4. Step 4: Simplify right side
    641,516.52x = 482,475,672,750.78
  5. Step 5: Solve for x
    x = 482,475,672,750.78/641,516.52
  6. Step 6: Final answer
    x = 752,086.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.