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Finding the Fourth Proportional to 481,650.97, 664,700.22 and 266,791.01

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Solution

The fourth proportional to 481,650.97, 664,700.22 and 266,791.01 is: 368,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,650.97 : 664,700.22 = 266,791.01 : x
  2. Step 2: Convert to fraction form
    481,650.97/664,700.22 = 266,791.01/x
  3. Step 3: Cross multiply
    481,650.97x = 664,700.22 × 266,791.01
  4. Step 4: Simplify right side
    481,650.97x = 177,336,040,712.29
  5. Step 5: Solve for x
    x = 177,336,040,712.29/481,650.97
  6. Step 6: Final answer
    x = 368,183.71

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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.