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Finding the Fourth Proportional to 444,493.80, 613,396.25 and 240,540

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Solution

The fourth proportional to 444,493.80, 613,396.25 and 240,540 is: 331,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,493.80 : 613,396.25 = 240,540 : x
  2. Step 2: Convert to fraction form
    444,493.80/613,396.25 = 240,540/x
  3. Step 3: Cross multiply
    444,493.80x = 613,396.25 × 240,540
  4. Step 4: Simplify right side
    444,493.80x = 147,546,333,975
  5. Step 5: Solve for x
    x = 147,546,333,975/444,493.80
  6. Step 6: Final answer
    x = 331,942.39

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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.