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Finding the Fourth Proportional to 269,519.70, 403,842.15 and 169,500.90

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Solution

The fourth proportional to 269,519.70, 403,842.15 and 169,500.90 is: 253,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,519.70 : 403,842.15 = 169,500.90 : x
  2. Step 2: Convert to fraction form
    269,519.70/403,842.15 = 169,500.90/x
  3. Step 3: Cross multiply
    269,519.70x = 403,842.15 × 169,500.90
  4. Step 4: Simplify right side
    269,519.70x = 68,451,607,882.94
  5. Step 5: Solve for x
    x = 68,451,607,882.94/269,519.70
  6. Step 6: Final answer
    x = 253,976.27

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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.