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Finding the Fourth Proportional to 323,760.74, 485,685.44 and 110,471.43

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Solution

The fourth proportional to 323,760.74, 485,685.44 and 110,471.43 is: 165,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,760.74 : 485,685.44 = 110,471.43 : x
  2. Step 2: Convert to fraction form
    323,760.74/485,685.44 = 110,471.43/x
  3. Step 3: Cross multiply
    323,760.74x = 485,685.44 × 110,471.43
  4. Step 4: Simplify right side
    323,760.74x = 53,654,364,534.62
  5. Step 5: Solve for x
    x = 53,654,364,534.62/323,760.74
  6. Step 6: Final answer
    x = 165,722.27

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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.