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Finding the Fourth Proportional to 339,468.66, 468,414.72 and 196,201.08

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Solution

The fourth proportional to 339,468.66, 468,414.72 and 196,201.08 is: 270,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,468.66 : 468,414.72 = 196,201.08 : x
  2. Step 2: Convert to fraction form
    339,468.66/468,414.72 = 196,201.08/x
  3. Step 3: Cross multiply
    339,468.66x = 468,414.72 × 196,201.08
  4. Step 4: Simplify right side
    339,468.66x = 91,903,473,951.90
  5. Step 5: Solve for x
    x = 91,903,473,951.90/339,468.66
  6. Step 6: Final answer
    x = 270,727.42

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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.