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Finding the Fourth Proportional to 481,245.32, 721,859.46 and 165,695.24

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Solution

The fourth proportional to 481,245.32, 721,859.46 and 165,695.24 is: 248,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,245.32 : 721,859.46 = 165,695.24 : x
  2. Step 2: Convert to fraction form
    481,245.32/721,859.46 = 165,695.24/x
  3. Step 3: Cross multiply
    481,245.32x = 721,859.46 × 165,695.24
  4. Step 4: Simplify right side
    481,245.32x = 119,608,676,470.97
  5. Step 5: Solve for x
    x = 119,608,676,470.97/481,245.32
  6. Step 6: Final answer
    x = 248,539.93

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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.