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Finding the Fourth Proportional to 454,687.68, 627,454.56 and 250,747.20

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Solution

The fourth proportional to 454,687.68, 627,454.56 and 250,747.20 is: 346,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,687.68 : 627,454.56 = 250,747.20 : x
  2. Step 2: Convert to fraction form
    454,687.68/627,454.56 = 250,747.20/x
  3. Step 3: Cross multiply
    454,687.68x = 627,454.56 × 250,747.20
  4. Step 4: Simplify right side
    454,687.68x = 157,332,474,047.23
  5. Step 5: Solve for x
    x = 157,332,474,047.23/454,687.68
  6. Step 6: Final answer
    x = 346,023.17

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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.