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Finding the Fourth Proportional to 574,082.91, 861,318.09 and 254,191.11

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Solution

The fourth proportional to 574,082.91, 861,318.09 and 254,191.11 is: 381,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,082.91 : 861,318.09 = 254,191.11 : x
  2. Step 2: Convert to fraction form
    574,082.91/861,318.09 = 254,191.11/x
  3. Step 3: Cross multiply
    574,082.91x = 861,318.09 × 254,191.11
  4. Step 4: Simplify right side
    574,082.91x = 218,939,401,360.18
  5. Step 5: Solve for x
    x = 218,939,401,360.18/574,082.91
  6. Step 6: Final answer
    x = 381,372.44

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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.