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Finding the Fourth Proportional to 481,651.10, 664,700.39 and 266,791.13

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Solution

The fourth proportional to 481,651.10, 664,700.39 and 266,791.13 is: 368,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,651.10 : 664,700.39 = 266,791.13 : x
  2. Step 2: Convert to fraction form
    481,651.10/664,700.39 = 266,791.13/x
  3. Step 3: Cross multiply
    481,651.10x = 664,700.39 × 266,791.13
  4. Step 4: Simplify right side
    481,651.10x = 177,336,170,488.27
  5. Step 5: Solve for x
    x = 177,336,170,488.27/481,651.10
  6. Step 6: Final answer
    x = 368,183.88

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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.