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Finding the Fourth Proportional to 339,132.92, 468,025.52 and 195,899

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Solution

The fourth proportional to 339,132.92, 468,025.52 and 195,899 is: 270,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,132.92 : 468,025.52 = 195,899 : x
  2. Step 2: Convert to fraction form
    339,132.92/468,025.52 = 195,899/x
  3. Step 3: Cross multiply
    339,132.92x = 468,025.52 × 195,899
  4. Step 4: Simplify right side
    339,132.92x = 91,685,731,342.48
  5. Step 5: Solve for x
    x = 91,685,731,342.48/339,132.92
  6. Step 6: Final answer
    x = 270,353.38

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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.