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Finding the Fourth Proportional to 481,471.33, 664,422.26 and 266,606.79

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Solution

The fourth proportional to 481,471.33, 664,422.26 and 266,606.79 is: 367,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,471.33 : 664,422.26 = 266,606.79 : x
  2. Step 2: Convert to fraction form
    481,471.33/664,422.26 = 266,606.79/x
  3. Step 3: Cross multiply
    481,471.33x = 664,422.26 × 266,606.79
  4. Step 4: Simplify right side
    481,471.33x = 177,139,485,943.15
  5. Step 5: Solve for x
    x = 177,139,485,943.15/481,471.33
  6. Step 6: Final answer
    x = 367,912.84

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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.