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Finding the Fourth Proportional to 339,437.57, 468,371.81 and 196,169.96

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Solution

The fourth proportional to 339,437.57, 468,371.81 and 196,169.96 is: 270,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,437.57 : 468,371.81 = 196,169.96 : x
  2. Step 2: Convert to fraction form
    339,437.57/468,371.81 = 196,169.96/x
  3. Step 3: Cross multiply
    339,437.57x = 468,371.81 × 196,169.96
  4. Step 4: Simplify right side
    339,437.57x = 91,880,475,910.12
  5. Step 5: Solve for x
    x = 91,880,475,910.12/339,437.57
  6. Step 6: Final answer
    x = 270,684.47

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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.