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Finding the Fourth Proportional to 324,396.60, 447,668.37 and 181,161.96

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Solution

The fourth proportional to 324,396.60, 447,668.37 and 181,161.96 is: 250,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,396.60 : 447,668.37 = 181,161.96 : x
  2. Step 2: Convert to fraction form
    324,396.60/447,668.37 = 181,161.96/x
  3. Step 3: Cross multiply
    324,396.60x = 447,668.37 × 181,161.96
  4. Step 4: Simplify right side
    324,396.60x = 81,100,479,339.21
  5. Step 5: Solve for x
    x = 81,100,479,339.21/324,396.60
  6. Step 6: Final answer
    x = 250,004.10

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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.