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Finding the Fourth Proportional to 397,177.53, 595,579.13 and 144,279.73

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Solution

The fourth proportional to 397,177.53, 595,579.13 and 144,279.73 is: 216,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,177.53 : 595,579.13 = 144,279.73 : x
  2. Step 2: Convert to fraction form
    397,177.53/595,579.13 = 144,279.73/x
  3. Step 3: Cross multiply
    397,177.53x = 595,579.13 × 144,279.73
  4. Step 4: Simplify right side
    397,177.53x = 85,929,996,634.16
  5. Step 5: Solve for x
    x = 85,929,996,634.16/397,177.53
  6. Step 6: Final answer
    x = 216,351.61

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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.