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Finding the Fourth Proportional to 376,589.34, 519,691.28 and 204,505.80

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Solution

The fourth proportional to 376,589.34, 519,691.28 and 204,505.80 is: 282,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,589.34 : 519,691.28 = 204,505.80 : x
  2. Step 2: Convert to fraction form
    376,589.34/519,691.28 = 204,505.80/x
  3. Step 3: Cross multiply
    376,589.34x = 519,691.28 × 204,505.80
  4. Step 4: Simplify right side
    376,589.34x = 106,279,880,969.42
  5. Step 5: Solve for x
    x = 106,279,880,969.42/376,589.34
  6. Step 6: Final answer
    x = 282,216.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.