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Finding the Fourth Proportional to 327,650.60, 491,694.60 and 185,495.60

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Solution

The fourth proportional to 327,650.60, 491,694.60 and 185,495.60 is: 278,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,650.60 : 491,694.60 = 185,495.60 : x
  2. Step 2: Convert to fraction form
    327,650.60/491,694.60 = 185,495.60/x
  3. Step 3: Cross multiply
    327,650.60x = 491,694.60 × 185,495.60
  4. Step 4: Simplify right side
    327,650.60x = 91,207,184,843.76
  5. Step 5: Solve for x
    x = 91,207,184,843.76/327,650.60
  6. Step 6: Final answer
    x = 278,367.21

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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.