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Finding the Fourth Proportional to 647,562.48, 970,747.56 and 437,273.52

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Solution

The fourth proportional to 647,562.48, 970,747.56 and 437,273.52 is: 655,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,562.48 : 970,747.56 = 437,273.52 : x
  2. Step 2: Convert to fraction form
    647,562.48/970,747.56 = 437,273.52/x
  3. Step 3: Cross multiply
    647,562.48x = 970,747.56 × 437,273.52
  4. Step 4: Simplify right side
    647,562.48x = 424,482,202,592.61
  5. Step 5: Solve for x
    x = 424,482,202,592.61/647,562.48
  6. Step 6: Final answer
    x = 655,507.72

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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.