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Finding the Fourth Proportional to 323,912.70, 485,869.05 and 182,195.10

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Solution

The fourth proportional to 323,912.70, 485,869.05 and 182,195.10 is: 273,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,912.70 : 485,869.05 = 182,195.10 : x
  2. Step 2: Convert to fraction form
    323,912.70/485,869.05 = 182,195.10/x
  3. Step 3: Cross multiply
    323,912.70x = 485,869.05 × 182,195.10
  4. Step 4: Simplify right side
    323,912.70x = 88,522,960,151.66
  5. Step 5: Solve for x
    x = 88,522,960,151.66/323,912.70
  6. Step 6: Final answer
    x = 273,292.65

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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.