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Finding the Fourth Proportional to 481,418.66, 664,304.10 and 266,504.90

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Solution

The fourth proportional to 481,418.66, 664,304.10 and 266,504.90 is: 367,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,418.66 : 664,304.10 = 266,504.90 : x
  2. Step 2: Convert to fraction form
    481,418.66/664,304.10 = 266,504.90/x
  3. Step 3: Cross multiply
    481,418.66x = 664,304.10 × 266,504.90
  4. Step 4: Simplify right side
    481,418.66x = 177,040,297,740.09
  5. Step 5: Solve for x
    x = 177,040,297,740.09/481,418.66
  6. Step 6: Final answer
    x = 367,747.06

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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.