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Finding the Fourth Proportional to 641,620.52, 962,426.46 and 501,497

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Solution

The fourth proportional to 641,620.52, 962,426.46 and 501,497 is: 752,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,620.52 : 962,426.46 = 501,497 : x
  2. Step 2: Convert to fraction form
    641,620.52/962,426.46 = 501,497/x
  3. Step 3: Cross multiply
    641,620.52x = 962,426.46 × 501,497
  4. Step 4: Simplify right side
    641,620.52x = 482,653,982,410.62
  5. Step 5: Solve for x
    x = 482,653,982,410.62/641,620.52
  6. Step 6: Final answer
    x = 752,242.12

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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.