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Finding the Fourth Proportional to 472,593.30, 708,995.70 and 173,067.90

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Solution

The fourth proportional to 472,593.30, 708,995.70 and 173,067.90 is: 259,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,593.30 : 708,995.70 = 173,067.90 : x
  2. Step 2: Convert to fraction form
    472,593.30/708,995.70 = 173,067.90/x
  3. Step 3: Cross multiply
    472,593.30x = 708,995.70 × 173,067.90
  4. Step 4: Simplify right side
    472,593.30x = 122,704,396,908.03
  5. Step 5: Solve for x
    x = 122,704,396,908.03/472,593.30
  6. Step 6: Final answer
    x = 259,640.58

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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.