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Finding the Fourth Proportional to 339,304.91, 468,422.55 and 261,610.85

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Solution

The fourth proportional to 339,304.91, 468,422.55 and 261,610.85 is: 361,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,304.91 : 468,422.55 = 261,610.85 : x
  2. Step 2: Convert to fraction form
    339,304.91/468,422.55 = 261,610.85/x
  3. Step 3: Cross multiply
    339,304.91x = 468,422.55 × 261,610.85
  4. Step 4: Simplify right side
    339,304.91x = 122,544,419,122.56
  5. Step 5: Solve for x
    x = 122,544,419,122.56/339,304.91
  6. Step 6: Final answer
    x = 361,163.12

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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.