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Finding the Fourth Proportional to 324,695.15, 448,040.50 and 179,481.32

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Solution

The fourth proportional to 324,695.15, 448,040.50 and 179,481.32 is: 247,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,695.15 : 448,040.50 = 179,481.32 : x
  2. Step 2: Convert to fraction form
    324,695.15/448,040.50 = 179,481.32/x
  3. Step 3: Cross multiply
    324,695.15x = 448,040.50 × 179,481.32
  4. Step 4: Simplify right side
    324,695.15x = 80,414,897,215.85
  5. Step 5: Solve for x
    x = 80,414,897,215.85/324,695.15
  6. Step 6: Final answer
    x = 247,662.76

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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.