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Finding the Fourth Proportional to 269,593.28, 404,375.34 and 82,605.32

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Solution

The fourth proportional to 269,593.28, 404,375.34 and 82,605.32 is: 123,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,593.28 : 404,375.34 = 82,605.32 : x
  2. Step 2: Convert to fraction form
    269,593.28/404,375.34 = 82,605.32/x
  3. Step 3: Cross multiply
    269,593.28x = 404,375.34 × 82,605.32
  4. Step 4: Simplify right side
    269,593.28x = 33,403,554,360.81
  5. Step 5: Solve for x
    x = 33,403,554,360.81/269,593.28
  6. Step 6: Final answer
    x = 123,903.51

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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.