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Finding the Fourth Proportional to 339,081.28, 468,017.12 and 195,924.48

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Solution

The fourth proportional to 339,081.28, 468,017.12 and 195,924.48 is: 270,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,081.28 : 468,017.12 = 195,924.48 : x
  2. Step 2: Convert to fraction form
    339,081.28/468,017.12 = 195,924.48/x
  3. Step 3: Cross multiply
    339,081.28x = 468,017.12 × 195,924.48
  4. Step 4: Simplify right side
    339,081.28x = 91,696,010,867.10
  5. Step 5: Solve for x
    x = 91,696,010,867.10/339,081.28
  6. Step 6: Final answer
    x = 270,424.87

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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.