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Finding the Fourth Proportional to 339,753.68, 468,860.38 and 186,794.48

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Solution

The fourth proportional to 339,753.68, 468,860.38 and 186,794.48 is: 257,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,753.68 : 468,860.38 = 186,794.48 : x
  2. Step 2: Convert to fraction form
    339,753.68/468,860.38 = 186,794.48/x
  3. Step 3: Cross multiply
    339,753.68x = 468,860.38 × 186,794.48
  4. Step 4: Simplify right side
    339,753.68x = 87,580,530,874.70
  5. Step 5: Solve for x
    x = 87,580,530,874.70/339,753.68
  6. Step 6: Final answer
    x = 257,776.55

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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.