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Finding the Fourth Proportional to 339,198.97, 468,076.30 and 188,286.25

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Solution

The fourth proportional to 339,198.97, 468,076.30 and 188,286.25 is: 259,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,198.97 : 468,076.30 = 188,286.25 : x
  2. Step 2: Convert to fraction form
    339,198.97/468,076.30 = 188,286.25/x
  3. Step 3: Cross multiply
    339,198.97x = 468,076.30 × 188,286.25
  4. Step 4: Simplify right side
    339,198.97x = 88,132,331,240.88
  5. Step 5: Solve for x
    x = 88,132,331,240.88/339,198.97
  6. Step 6: Final answer
    x = 259,824.88

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1.5x scale

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.