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Finding the Fourth Proportional to 339,286.01, 468,272.27 and 196,129.04

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Solution

The fourth proportional to 339,286.01, 468,272.27 and 196,129.04 is: 270,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,286.01 : 468,272.27 = 196,129.04 : x
  2. Step 2: Convert to fraction form
    339,286.01/468,272.27 = 196,129.04/x
  3. Step 3: Cross multiply
    339,286.01x = 468,272.27 × 196,129.04
  4. Step 4: Simplify right side
    339,286.01x = 91,841,788,922.68
  5. Step 5: Solve for x
    x = 91,841,788,922.68/339,286.01
  6. Step 6: Final answer
    x = 270,691.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.