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Finding the Fourth Proportional to 322,697.32, 445,270.02 and 179,453.80

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Solution

The fourth proportional to 322,697.32, 445,270.02 and 179,453.80 is: 247,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,697.32 : 445,270.02 = 179,453.80 : x
  2. Step 2: Convert to fraction form
    322,697.32/445,270.02 = 179,453.80/x
  3. Step 3: Cross multiply
    322,697.32x = 445,270.02 × 179,453.80
  4. Step 4: Simplify right side
    322,697.32x = 79,905,397,115.08
  5. Step 5: Solve for x
    x = 79,905,397,115.08/322,697.32
  6. Step 6: Final answer
    x = 247,617.17

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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.