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Finding the Fourth Proportional to 323,906.20, 485,859.30 and 182,188.60

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Solution

The fourth proportional to 323,906.20, 485,859.30 and 182,188.60 is: 273,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,906.20 : 485,859.30 = 182,188.60 : x
  2. Step 2: Convert to fraction form
    323,906.20/485,859.30 = 182,188.60/x
  3. Step 3: Cross multiply
    323,906.20x = 485,859.30 × 182,188.60
  4. Step 4: Simplify right side
    323,906.20x = 88,518,025,663.98
  5. Step 5: Solve for x
    x = 88,518,025,663.98/323,906.20
  6. Step 6: Final answer
    x = 273,282.90

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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.