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Finding the Fourth Proportional to 269,542.70, 404,241.15 and 80,002.70

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Solution

The fourth proportional to 269,542.70, 404,241.15 and 80,002.70 is: 119,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,542.70 : 404,241.15 = 80,002.70 : x
  2. Step 2: Convert to fraction form
    269,542.70/404,241.15 = 80,002.70/x
  3. Step 3: Cross multiply
    269,542.70x = 404,241.15 × 80,002.70
  4. Step 4: Simplify right side
    269,542.70x = 32,340,383,451.11
  5. Step 5: Solve for x
    x = 32,340,383,451.11/269,542.70
  6. Step 6: Final answer
    x = 119,982.41

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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.