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Finding the Fourth Proportional to 454,468.03, 627,160.78 and 247,731.89

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Solution

The fourth proportional to 454,468.03, 627,160.78 and 247,731.89 is: 341,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,468.03 : 627,160.78 = 247,731.89 : x
  2. Step 2: Convert to fraction form
    454,468.03/627,160.78 = 247,731.89/x
  3. Step 3: Cross multiply
    454,468.03x = 627,160.78 × 247,731.89
  4. Step 4: Simplify right side
    454,468.03x = 155,367,725,363.27
  5. Step 5: Solve for x
    x = 155,367,725,363.27/454,468.03
  6. Step 6: Final answer
    x = 341,867.23

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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.