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Finding the Fourth Proportional to 339,426.71, 468,493.04 and 196,166.06

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Solution

The fourth proportional to 339,426.71, 468,493.04 and 196,166.06 is: 270,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,426.71 : 468,493.04 = 196,166.06 : x
  2. Step 2: Convert to fraction form
    339,426.71/468,493.04 = 196,166.06/x
  3. Step 3: Cross multiply
    339,426.71x = 468,493.04 × 196,166.06
  4. Step 4: Simplify right side
    339,426.71x = 91,902,432,813.39
  5. Step 5: Solve for x
    x = 91,902,432,813.39/339,426.71
  6. Step 6: Final answer
    x = 270,757.81

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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.