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Finding the Fourth Proportional to 300,791.33, 451,189.53 and 240,670.80

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Solution

The fourth proportional to 300,791.33, 451,189.53 and 240,670.80 is: 361,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,791.33 : 451,189.53 = 240,670.80 : x
  2. Step 2: Convert to fraction form
    300,791.33/451,189.53 = 240,670.80/x
  3. Step 3: Cross multiply
    300,791.33x = 451,189.53 × 240,670.80
  4. Step 4: Simplify right side
    300,791.33x = 108,588,145,136.72
  5. Step 5: Solve for x
    x = 108,588,145,136.72/300,791.33
  6. Step 6: Final answer
    x = 361,008.23

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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.