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Finding the Fourth Proportional to 324,873.15, 487,310.55 and 132,747.58

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Solution

The fourth proportional to 324,873.15, 487,310.55 and 132,747.58 is: 199,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,873.15 : 487,310.55 = 132,747.58 : x
  2. Step 2: Convert to fraction form
    324,873.15/487,310.55 = 132,747.58/x
  3. Step 3: Cross multiply
    324,873.15x = 487,310.55 × 132,747.58
  4. Step 4: Simplify right side
    324,873.15x = 64,689,298,822.92
  5. Step 5: Solve for x
    x = 64,689,298,822.92/324,873.15
  6. Step 6: Final answer
    x = 199,121.71

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1.5x scale

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.