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Finding the Fourth Proportional to 324,369.43, 443,739.68 and 323,003.22

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Solution

The fourth proportional to 324,369.43, 443,739.68 and 323,003.22 is: 441,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,369.43 : 443,739.68 = 323,003.22 : x
  2. Step 2: Convert to fraction form
    324,369.43/443,739.68 = 323,003.22/x
  3. Step 3: Cross multiply
    324,369.43x = 443,739.68 × 323,003.22
  4. Step 4: Simplify right side
    324,369.43x = 143,329,345,481.77
  5. Step 5: Solve for x
    x = 143,329,345,481.77/324,369.43
  6. Step 6: Final answer
    x = 441,870.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.