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Finding the Fourth Proportional to 322,544.50, 445,122.83 and 177,361.30

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Solution

The fourth proportional to 322,544.50, 445,122.83 and 177,361.30 is: 244,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,544.50 : 445,122.83 = 177,361.30 : x
  2. Step 2: Convert to fraction form
    322,544.50/445,122.83 = 177,361.30/x
  3. Step 3: Cross multiply
    322,544.50x = 445,122.83 × 177,361.30
  4. Step 4: Simplify right side
    322,544.50x = 78,947,563,119.08
  5. Step 5: Solve for x
    x = 78,947,563,119.08/322,544.50
  6. Step 6: Final answer
    x = 244,764.87

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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.