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Finding the Fourth Proportional to 381,884.25, 572,826.39 and 132,566.25

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Solution

The fourth proportional to 381,884.25, 572,826.39 and 132,566.25 is: 198,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,884.25 : 572,826.39 = 132,566.25 : x
  2. Step 2: Convert to fraction form
    381,884.25/572,826.39 = 132,566.25/x
  3. Step 3: Cross multiply
    381,884.25x = 572,826.39 × 132,566.25
  4. Step 4: Simplify right side
    381,884.25x = 75,937,446,423.34
  5. Step 5: Solve for x
    x = 75,937,446,423.34/381,884.25
  6. Step 6: Final answer
    x = 198,849.38

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Similar ratio
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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.