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Finding the Fourth Proportional to 329,589.74, 494,381.00 and 250,115.90

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Solution

The fourth proportional to 329,589.74, 494,381.00 and 250,115.90 is: 375,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,589.74 : 494,381.00 = 250,115.90 : x
  2. Step 2: Convert to fraction form
    329,589.74/494,381.00 = 250,115.90/x
  3. Step 3: Cross multiply
    329,589.74x = 494,381.00 × 250,115.90
  4. Step 4: Simplify right side
    329,589.74x = 123,652,548,743.27
  5. Step 5: Solve for x
    x = 123,652,548,743.27/329,589.74
  6. Step 6: Final answer
    x = 375,171.11

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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.