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Finding the Fourth Proportional to 324,551.56, 447,872.40 and 177,370.60

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Solution

The fourth proportional to 324,551.56, 447,872.40 and 177,370.60 is: 244,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,551.56 : 447,872.40 = 177,370.60 : x
  2. Step 2: Convert to fraction form
    324,551.56/447,872.40 = 177,370.60/x
  3. Step 3: Cross multiply
    324,551.56x = 447,872.40 × 177,370.60
  4. Step 4: Simplify right side
    324,551.56x = 79,439,396,311.44
  5. Step 5: Solve for x
    x = 79,439,396,311.44/324,551.56
  6. Step 6: Final answer
    x = 244,766.64

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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.