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Finding the Fourth Proportional to 552,773.28, 825,122.76 and 474,391.20

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Solution

The fourth proportional to 552,773.28, 825,122.76 and 474,391.20 is: 708,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,773.28 : 825,122.76 = 474,391.20 : x
  2. Step 2: Convert to fraction form
    552,773.28/825,122.76 = 474,391.20/x
  3. Step 3: Cross multiply
    552,773.28x = 825,122.76 × 474,391.20
  4. Step 4: Simplify right side
    552,773.28x = 391,430,976,263.71
  5. Step 5: Solve for x
    x = 391,430,976,263.71/552,773.28
  6. Step 6: Final answer
    x = 708,122.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.