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Finding the Fourth Proportional to 293,876.50, 405,593.90 and 179,221.66

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Solution

The fourth proportional to 293,876.50, 405,593.90 and 179,221.66 is: 247,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,876.50 : 405,593.90 = 179,221.66 : x
  2. Step 2: Convert to fraction form
    293,876.50/405,593.90 = 179,221.66/x
  3. Step 3: Cross multiply
    293,876.50x = 405,593.90 × 179,221.66
  4. Step 4: Simplify right side
    293,876.50x = 72,691,209,119.80
  5. Step 5: Solve for x
    x = 72,691,209,119.80/293,876.50
  6. Step 6: Final answer
    x = 247,352.92

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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.