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Finding the Fourth Proportional to 574,754.48, 862,131.20 and 271,077.79

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Solution

The fourth proportional to 574,754.48, 862,131.20 and 271,077.79 is: 406,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,754.48 : 862,131.20 = 271,077.79 : x
  2. Step 2: Convert to fraction form
    574,754.48/862,131.20 = 271,077.79/x
  3. Step 3: Cross multiply
    574,754.48x = 862,131.20 × 271,077.79
  4. Step 4: Simplify right side
    574,754.48x = 233,704,618,491.83
  5. Step 5: Solve for x
    x = 233,704,618,491.83/574,754.48
  6. Step 6: Final answer
    x = 406,616.43

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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.