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Finding the Fourth Proportional to 339,753.13, 468,859.61 and 186,793.92

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Solution

The fourth proportional to 339,753.13, 468,859.61 and 186,793.92 is: 257,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,753.13 : 468,859.61 = 186,793.92 : x
  2. Step 2: Convert to fraction form
    339,753.13/468,859.61 = 186,793.92/x
  3. Step 3: Cross multiply
    339,753.13x = 468,859.61 × 186,793.92
  4. Step 4: Simplify right side
    339,753.13x = 87,580,124,481.57
  5. Step 5: Solve for x
    x = 87,580,124,481.57/339,753.13
  6. Step 6: Final answer
    x = 257,775.77

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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.