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Finding the Fourth Proportional to 322,687.38, 484,251.59 and 112,325.32

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Solution

The fourth proportional to 322,687.38, 484,251.59 and 112,325.32 is: 168,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,687.38 : 484,251.59 = 112,325.32 : x
  2. Step 2: Convert to fraction form
    322,687.38/484,251.59 = 112,325.32/x
  3. Step 3: Cross multiply
    322,687.38x = 484,251.59 × 112,325.32
  4. Step 4: Simplify right side
    322,687.38x = 54,393,713,877.44
  5. Step 5: Solve for x
    x = 54,393,713,877.44/322,687.38
  6. Step 6: Final answer
    x = 168,564.74

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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.