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Finding the Fourth Proportional to 481,249.56, 664,102.86 and 266,374.44

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Solution

The fourth proportional to 481,249.56, 664,102.86 and 266,374.44 is: 367,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,249.56 : 664,102.86 = 266,374.44 : x
  2. Step 2: Convert to fraction form
    481,249.56/664,102.86 = 266,374.44/x
  3. Step 3: Cross multiply
    481,249.56x = 664,102.86 × 266,374.44
  4. Step 4: Simplify right side
    481,249.56x = 176,900,027,434.90
  5. Step 5: Solve for x
    x = 176,900,027,434.90/481,249.56
  6. Step 6: Final answer
    x = 367,584.81

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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.