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Finding the Fourth Proportional to 341,359.43, 471,067.11 and 188,395.56

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Solution

The fourth proportional to 341,359.43, 471,067.11 and 188,395.56 is: 259,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,359.43 : 471,067.11 = 188,395.56 : x
  2. Step 2: Convert to fraction form
    341,359.43/471,067.11 = 188,395.56/x
  3. Step 3: Cross multiply
    341,359.43x = 471,067.11 × 188,395.56
  4. Step 4: Simplify right side
    341,359.43x = 88,746,951,986.03
  5. Step 5: Solve for x
    x = 88,746,951,986.03/341,359.43
  6. Step 6: Final answer
    x = 259,980.96

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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.