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Finding the Fourth Proportional to 344,560.44, 516,799.56 and 91,859.88

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Solution

The fourth proportional to 344,560.44, 516,799.56 and 91,859.88 is: 137,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,560.44 : 516,799.56 = 91,859.88 : x
  2. Step 2: Convert to fraction form
    344,560.44/516,799.56 = 91,859.88/x
  3. Step 3: Cross multiply
    344,560.44x = 516,799.56 × 91,859.88
  4. Step 4: Simplify right side
    344,560.44x = 47,473,145,565.65
  5. Step 5: Solve for x
    x = 47,473,145,565.65/344,560.44
  6. Step 6: Final answer
    x = 137,778.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.