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Finding the Fourth Proportional to 372,559.34, 558,844.25 and 106,319.88

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Solution

The fourth proportional to 372,559.34, 558,844.25 and 106,319.88 is: 159,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,559.34 : 558,844.25 = 106,319.88 : x
  2. Step 2: Convert to fraction form
    372,559.34/558,844.25 = 106,319.88/x
  3. Step 3: Cross multiply
    372,559.34x = 558,844.25 × 106,319.88
  4. Step 4: Simplify right side
    372,559.34x = 59,416,253,067.09
  5. Step 5: Solve for x
    x = 59,416,253,067.09/372,559.34
  6. Step 6: Final answer
    x = 159,481.32

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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.