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Finding the Fourth Proportional to 322,194.79, 483,308.32 and 82,310.53

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Solution

The fourth proportional to 322,194.79, 483,308.32 and 82,310.53 is: 123,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,194.79 : 483,308.32 = 82,310.53 : x
  2. Step 2: Convert to fraction form
    322,194.79/483,308.32 = 82,310.53/x
  3. Step 3: Cross multiply
    322,194.79x = 483,308.32 × 82,310.53
  4. Step 4: Simplify right side
    322,194.79x = 39,781,363,619.10
  5. Step 5: Solve for x
    x = 39,781,363,619.10/322,194.79
  6. Step 6: Final answer
    x = 123,469.92

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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.