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Finding the Fourth Proportional to 293,170.62, 404,220.87 and 247,768.50

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Solution

The fourth proportional to 293,170.62, 404,220.87 and 247,768.50 is: 341,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,170.62 : 404,220.87 = 247,768.50 : x
  2. Step 2: Convert to fraction form
    293,170.62/404,220.87 = 247,768.50/x
  3. Step 3: Cross multiply
    293,170.62x = 404,220.87 × 247,768.50
  4. Step 4: Simplify right side
    293,170.62x = 100,153,198,628.60
  5. Step 5: Solve for x
    x = 100,153,198,628.60/293,170.62
  6. Step 6: Final answer
    x = 341,620.86

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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.