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Finding the Fourth Proportional to 552,792.78, 825,151.82 and 474,410.70

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Solution

The fourth proportional to 552,792.78, 825,151.82 and 474,410.70 is: 708,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,792.78 : 825,151.82 = 474,410.70 : x
  2. Step 2: Convert to fraction form
    552,792.78/825,151.82 = 474,410.70/x
  3. Step 3: Cross multiply
    552,792.78x = 825,151.82 × 474,410.70
  4. Step 4: Simplify right side
    552,792.78x = 391,460,850,160.42
  5. Step 5: Solve for x
    x = 391,460,850,160.42/552,792.78
  6. Step 6: Final answer
    x = 708,151.16

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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.