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Finding the Fourth Proportional to 324,080.63, 485,469.86 and 161,484.27

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Solution

The fourth proportional to 324,080.63, 485,469.86 and 161,484.27 is: 241,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,080.63 : 485,469.86 = 161,484.27 : x
  2. Step 2: Convert to fraction form
    324,080.63/485,469.86 = 161,484.27/x
  3. Step 3: Cross multiply
    324,080.63x = 485,469.86 × 161,484.27
  4. Step 4: Simplify right side
    324,080.63x = 78,395,743,321.17
  5. Step 5: Solve for x
    x = 78,395,743,321.17/324,080.63
  6. Step 6: Final answer
    x = 241,901.97

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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.