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Finding the Fourth Proportional to 267,818.83, 401,516.89 and 132,789.80

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Solution

The fourth proportional to 267,818.83, 401,516.89 and 132,789.80 is: 199,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,818.83 : 401,516.89 = 132,789.80 : x
  2. Step 2: Convert to fraction form
    267,818.83/401,516.89 = 132,789.80/x
  3. Step 3: Cross multiply
    267,818.83x = 401,516.89 × 132,789.80
  4. Step 4: Simplify right side
    267,818.83x = 53,317,348,191.54
  5. Step 5: Solve for x
    x = 53,317,348,191.54/267,818.83
  6. Step 6: Final answer
    x = 199,079.91

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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.