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Finding the Fourth Proportional to 481,475.25, 664,427.67 and 266,610.70

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Solution

The fourth proportional to 481,475.25, 664,427.67 and 266,610.70 is: 367,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,475.25 : 664,427.67 = 266,610.70 : x
  2. Step 2: Convert to fraction form
    481,475.25/664,427.67 = 266,610.70/x
  3. Step 3: Cross multiply
    481,475.25x = 664,427.67 × 266,610.70
  4. Step 4: Simplify right side
    481,475.25x = 177,143,526,198.07
  5. Step 5: Solve for x
    x = 177,143,526,198.07/481,475.25
  6. Step 6: Final answer
    x = 367,918.24

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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.