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Finding the Fourth Proportional to 367,966.80, 551,512.80 and 154,734.30

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Solution

The fourth proportional to 367,966.80, 551,512.80 and 154,734.30 is: 231,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,966.80 : 551,512.80 = 154,734.30 : x
  2. Step 2: Convert to fraction form
    367,966.80/551,512.80 = 154,734.30/x
  3. Step 3: Cross multiply
    367,966.80x = 551,512.80 × 154,734.30
  4. Step 4: Simplify right side
    367,966.80x = 85,337,947,049.04
  5. Step 5: Solve for x
    x = 85,337,947,049.04/367,966.80
  6. Step 6: Final answer
    x = 231,917.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.