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Finding the Fourth Proportional to 322,625.77, 445,220.87 and 179,384.56

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Solution

The fourth proportional to 322,625.77, 445,220.87 and 179,384.56 is: 247,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,625.77 : 445,220.87 = 179,384.56 : x
  2. Step 2: Convert to fraction form
    322,625.77/445,220.87 = 179,384.56/x
  3. Step 3: Cross multiply
    322,625.77x = 445,220.87 × 179,384.56
  4. Step 4: Simplify right side
    322,625.77x = 79,865,747,857.79
  5. Step 5: Solve for x
    x = 79,865,747,857.79/322,625.77
  6. Step 6: Final answer
    x = 247,549.19

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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.