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Finding the Fourth Proportional to 269,469.80, 404,262.30 and 82,500.20

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Solution

The fourth proportional to 269,469.80, 404,262.30 and 82,500.20 is: 123,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,469.80 : 404,262.30 = 82,500.20 : x
  2. Step 2: Convert to fraction form
    269,469.80/404,262.30 = 82,500.20/x
  3. Step 3: Cross multiply
    269,469.80x = 404,262.30 × 82,500.20
  4. Step 4: Simplify right side
    269,469.80x = 33,351,720,602.46
  5. Step 5: Solve for x
    x = 33,351,720,602.46/269,469.80
  6. Step 6: Final answer
    x = 123,767.93

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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.