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Finding the Fourth Proportional to 339,324.13, 468,324.89 and 196,167.43

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Solution

The fourth proportional to 339,324.13, 468,324.89 and 196,167.43 is: 270,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,324.13 : 468,324.89 = 196,167.43 : x
  2. Step 2: Convert to fraction form
    339,324.13/468,324.89 = 196,167.43/x
  3. Step 3: Cross multiply
    339,324.13x = 468,324.89 × 196,167.43
  4. Step 4: Simplify right side
    339,324.13x = 91,870,090,076.33
  5. Step 5: Solve for x
    x = 91,870,090,076.33/339,324.13
  6. Step 6: Final answer
    x = 270,744.35

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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.