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Finding the Fourth Proportional to 454,957.50, 627,841.35 and 253,753.50

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Solution

The fourth proportional to 454,957.50, 627,841.35 and 253,753.50 is: 350,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,957.50 : 627,841.35 = 253,753.50 : x
  2. Step 2: Convert to fraction form
    454,957.50/627,841.35 = 253,753.50/x
  3. Step 3: Cross multiply
    454,957.50x = 627,841.35 × 253,753.50
  4. Step 4: Simplify right side
    454,957.50x = 159,316,940,007.23
  5. Step 5: Solve for x
    x = 159,316,940,007.23/454,957.50
  6. Step 6: Final answer
    x = 350,179.83

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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.