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Finding the Fourth Proportional to 324,578.22, 447,909.69 and 181,339.34

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Solution

The fourth proportional to 324,578.22, 447,909.69 and 181,339.34 is: 250,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,578.22 : 447,909.69 = 181,339.34 : x
  2. Step 2: Convert to fraction form
    324,578.22/447,909.69 = 181,339.34/x
  3. Step 3: Cross multiply
    324,578.22x = 447,909.69 × 181,339.34
  4. Step 4: Simplify right side
    324,578.22x = 81,223,647,564.20
  5. Step 5: Solve for x
    x = 81,223,647,564.20/324,578.22
  6. Step 6: Final answer
    x = 250,243.68

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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.