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Finding the Fourth Proportional to 341,979.65, 471,687.14 and 240,027.85

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Solution

The fourth proportional to 341,979.65, 471,687.14 and 240,027.85 is: 331,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,979.65 : 471,687.14 = 240,027.85 : x
  2. Step 2: Convert to fraction form
    341,979.65/471,687.14 = 240,027.85/x
  3. Step 3: Cross multiply
    341,979.65x = 471,687.14 × 240,027.85
  4. Step 4: Simplify right side
    341,979.65x = 113,218,050,086.85
  5. Step 5: Solve for x
    x = 113,218,050,086.85/341,979.65
  6. Step 6: Final answer
    x = 331,066.63

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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.