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Finding the Fourth Proportional to 472,348.52, 708,449.75 and 172,759.04

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Solution

The fourth proportional to 472,348.52, 708,449.75 and 172,759.04 is: 259,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,348.52 : 708,449.75 = 172,759.04 : x
  2. Step 2: Convert to fraction form
    472,348.52/708,449.75 = 172,759.04/x
  3. Step 3: Cross multiply
    472,348.52x = 708,449.75 × 172,759.04
  4. Step 4: Simplify right side
    472,348.52x = 122,391,100,253.42
  5. Step 5: Solve for x
    x = 122,391,100,253.42/472,348.52
  6. Step 6: Final answer
    x = 259,111.85

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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.