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Finding the Fourth Proportional to 501,793.20, 752,689.80 and 164,885.85

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Solution

The fourth proportional to 501,793.20, 752,689.80 and 164,885.85 is: 247,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,793.20 : 752,689.80 = 164,885.85 : x
  2. Step 2: Convert to fraction form
    501,793.20/752,689.80 = 164,885.85/x
  3. Step 3: Cross multiply
    501,793.20x = 752,689.80 × 164,885.85
  4. Step 4: Simplify right side
    501,793.20x = 124,107,897,459.33
  5. Step 5: Solve for x
    x = 124,107,897,459.33/501,793.20
  6. Step 6: Final answer
    x = 247,328.78

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Similar ratio
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1.5x scale

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.