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Finding the Fourth Proportional to 324,541.89, 447,866.69 and 179,343.65

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Solution

The fourth proportional to 324,541.89, 447,866.69 and 179,343.65 is: 247,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,541.89 : 447,866.69 = 179,343.65 : x
  2. Step 2: Convert to fraction form
    324,541.89/447,866.69 = 179,343.65/x
  3. Step 3: Cross multiply
    324,541.89x = 447,866.69 × 179,343.65
  4. Step 4: Simplify right side
    324,541.89x = 80,322,047,120.97
  5. Step 5: Solve for x
    x = 80,322,047,120.97/324,541.89
  6. Step 6: Final answer
    x = 247,493.62

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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.