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Finding the Fourth Proportional to 327,663.60, 491,106.60 and 169,810.80

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Solution

The fourth proportional to 327,663.60, 491,106.60 and 169,810.80 is: 254,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,663.60 : 491,106.60 = 169,810.80 : x
  2. Step 2: Convert to fraction form
    327,663.60/491,106.60 = 169,810.80/x
  3. Step 3: Cross multiply
    327,663.60x = 491,106.60 × 169,810.80
  4. Step 4: Simplify right side
    327,663.60x = 83,395,204,631.28
  5. Step 5: Solve for x
    x = 83,395,204,631.28/327,663.60
  6. Step 6: Final answer
    x = 254,514.71

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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.