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Finding the Fourth Proportional to 716,251.52, 987,551.52 and 474,469.76

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Solution

The fourth proportional to 716,251.52, 987,551.52 and 474,469.76 is: 654,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,251.52 : 987,551.52 = 474,469.76 : x
  2. Step 2: Convert to fraction form
    716,251.52/987,551.52 = 474,469.76/x
  3. Step 3: Cross multiply
    716,251.52x = 987,551.52 × 474,469.76
  4. Step 4: Simplify right side
    716,251.52x = 468,563,332,682.04
  5. Step 5: Solve for x
    x = 468,563,332,682.04/716,251.52
  6. Step 6: Final answer
    x = 654,188.26

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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.