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Finding the Fourth Proportional to 481,470.44, 664,429.14 and 266,610.53

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Solution

The fourth proportional to 481,470.44, 664,429.14 and 266,610.53 is: 367,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,470.44 : 664,429.14 = 266,610.53 : x
  2. Step 2: Convert to fraction form
    481,470.44/664,429.14 = 266,610.53/x
  3. Step 3: Cross multiply
    481,470.44x = 664,429.14 × 266,610.53
  4. Step 4: Simplify right side
    481,470.44x = 177,143,801,840.70
  5. Step 5: Solve for x
    x = 177,143,801,840.70/481,470.44
  6. Step 6: Final answer
    x = 367,922.49

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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.