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Finding the Fourth Proportional to 269,591.28, 404,372.34 and 82,603.32

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Solution

The fourth proportional to 269,591.28, 404,372.34 and 82,603.32 is: 123,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,591.28 : 404,372.34 = 82,603.32 : x
  2. Step 2: Convert to fraction form
    269,591.28/404,372.34 = 82,603.32/x
  3. Step 3: Cross multiply
    269,591.28x = 404,372.34 × 82,603.32
  4. Step 4: Simplify right side
    269,591.28x = 33,402,497,800.17
  5. Step 5: Solve for x
    x = 33,402,497,800.17/269,591.28
  6. Step 6: Final answer
    x = 123,900.51

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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.