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Finding the Fourth Proportional to 339,418.32, 468,345.24 and 196,150.71

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Solution

The fourth proportional to 339,418.32, 468,345.24 and 196,150.71 is: 270,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,418.32 : 468,345.24 = 196,150.71 : x
  2. Step 2: Convert to fraction form
    339,418.32/468,345.24 = 196,150.71/x
  3. Step 3: Cross multiply
    339,418.32x = 468,345.24 × 196,150.71
  4. Step 4: Simplify right side
    339,418.32x = 91,866,251,351.12
  5. Step 5: Solve for x
    x = 91,866,251,351.12/339,418.32
  6. Step 6: Final answer
    x = 270,657.90

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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.