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Finding the Fourth Proportional to 269,589.28, 404,369.34 and 82,601.32

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Solution

The fourth proportional to 269,589.28, 404,369.34 and 82,601.32 is: 123,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,589.28 : 404,369.34 = 82,601.32 : x
  2. Step 2: Convert to fraction form
    269,589.28/404,369.34 = 82,601.32/x
  3. Step 3: Cross multiply
    269,589.28x = 404,369.34 × 82,601.32
  4. Step 4: Simplify right side
    269,589.28x = 33,401,441,251.53
  5. Step 5: Solve for x
    x = 33,401,441,251.53/269,589.28
  6. Step 6: Final answer
    x = 123,897.51

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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.