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Finding the Fourth Proportional to 454,672.47, 627,463.17 and 247,952.18

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Solution

The fourth proportional to 454,672.47, 627,463.17 and 247,952.18 is: 342,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,672.47 : 627,463.17 = 247,952.18 : x
  2. Step 2: Convert to fraction form
    454,672.47/627,463.17 = 247,952.18/x
  3. Step 3: Cross multiply
    454,672.47x = 627,463.17 × 247,952.18
  4. Step 4: Simplify right side
    454,672.47x = 155,580,859,977.76
  5. Step 5: Solve for x
    x = 155,580,859,977.76/454,672.47
  6. Step 6: Final answer
    x = 342,182.27

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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.