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Finding the Fourth Proportional to 270,615.76, 405,456.92 and 179,375.12

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Solution

The fourth proportional to 270,615.76, 405,456.92 and 179,375.12 is: 268,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,615.76 : 405,456.92 = 179,375.12 : x
  2. Step 2: Convert to fraction form
    270,615.76/405,456.92 = 179,375.12/x
  3. Step 3: Cross multiply
    270,615.76x = 405,456.92 × 179,375.12
  4. Step 4: Simplify right side
    270,615.76x = 72,728,883,679.83
  5. Step 5: Solve for x
    x = 72,728,883,679.83/270,615.76
  6. Step 6: Final answer
    x = 268,753.32

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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.