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Finding the Fourth Proportional to 322,792.38, 484,253.91 and 112,446.72

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Solution

The fourth proportional to 322,792.38, 484,253.91 and 112,446.72 is: 168,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,792.38 : 484,253.91 = 112,446.72 : x
  2. Step 2: Convert to fraction form
    322,792.38/484,253.91 = 112,446.72/x
  3. Step 3: Cross multiply
    322,792.38x = 484,253.91 × 112,446.72
  4. Step 4: Simplify right side
    322,792.38x = 54,452,763,826.68
  5. Step 5: Solve for x
    x = 54,452,763,826.68/322,792.38
  6. Step 6: Final answer
    x = 168,692.84

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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.