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Finding the Fourth Proportional to 339,184.36, 468,039.72 and 195,990.52

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Solution

The fourth proportional to 339,184.36, 468,039.72 and 195,990.52 is: 270,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,184.36 : 468,039.72 = 195,990.52 : x
  2. Step 2: Convert to fraction form
    339,184.36/468,039.72 = 195,990.52/x
  3. Step 3: Cross multiply
    339,184.36x = 468,039.72 × 195,990.52
  4. Step 4: Simplify right side
    339,184.36x = 91,731,348,103.45
  5. Step 5: Solve for x
    x = 91,731,348,103.45/339,184.36
  6. Step 6: Final answer
    x = 270,446.87

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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.