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Finding the Fourth Proportional to 324,151.27, 447,335.87 and 178,956.54

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Solution

The fourth proportional to 324,151.27, 447,335.87 and 178,956.54 is: 246,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,151.27 : 447,335.87 = 178,956.54 : x
  2. Step 2: Convert to fraction form
    324,151.27/447,335.87 = 178,956.54/x
  3. Step 3: Cross multiply
    324,151.27x = 447,335.87 × 178,956.54
  4. Step 4: Simplify right side
    324,151.27x = 80,053,678,618.31
  5. Step 5: Solve for x
    x = 80,053,678,618.31/324,151.27
  6. Step 6: Final answer
    x = 246,963.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.