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Finding the Fourth Proportional to 322,626.36, 445,222.90 and 179,377.86

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Solution

The fourth proportional to 322,626.36, 445,222.90 and 179,377.86 is: 247,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,626.36 : 445,222.90 = 179,377.86 : x
  2. Step 2: Convert to fraction form
    322,626.36/445,222.90 = 179,377.86/x
  3. Step 3: Cross multiply
    322,626.36x = 445,222.90 × 179,377.86
  4. Step 4: Simplify right side
    322,626.36x = 79,863,131,024.99
  5. Step 5: Solve for x
    x = 79,863,131,024.99/322,626.36
  6. Step 6: Final answer
    x = 247,540.63

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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.