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Finding the Fourth Proportional to 324,990.72, 448,510.08 and 181,764.12

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Solution

The fourth proportional to 324,990.72, 448,510.08 and 181,764.12 is: 250,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,990.72 : 448,510.08 = 181,764.12 : x
  2. Step 2: Convert to fraction form
    324,990.72/448,510.08 = 181,764.12/x
  3. Step 3: Cross multiply
    324,990.72x = 448,510.08 × 181,764.12
  4. Step 4: Simplify right side
    324,990.72x = 81,523,040,002.33
  5. Step 5: Solve for x
    x = 81,523,040,002.33/324,990.72
  6. Step 6: Final answer
    x = 250,847.29

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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.