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Finding the Fourth Proportional to 444,846.42, 667,367.64 and 129,327.93

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Solution

The fourth proportional to 444,846.42, 667,367.64 and 129,327.93 is: 194,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,846.42 : 667,367.64 = 129,327.93 : x
  2. Step 2: Convert to fraction form
    444,846.42/667,367.64 = 129,327.93/x
  3. Step 3: Cross multiply
    444,846.42x = 667,367.64 × 129,327.93
  4. Step 4: Simplify right side
    444,846.42x = 86,309,275,430.19
  5. Step 5: Solve for x
    x = 86,309,275,430.19/444,846.42
  6. Step 6: Final answer
    x = 194,020.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.