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Finding the Fourth Proportional to 483,864.55, 667,735.67 and 266,087.27

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Solution

The fourth proportional to 483,864.55, 667,735.67 and 266,087.27 is: 367,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,864.55 : 667,735.67 = 266,087.27 : x
  2. Step 2: Convert to fraction form
    483,864.55/667,735.67 = 266,087.27/x
  3. Step 3: Cross multiply
    483,864.55x = 667,735.67 × 266,087.27
  4. Step 4: Simplify right side
    483,864.55x = 177,675,961,511.92
  5. Step 5: Solve for x
    x = 177,675,961,511.92/483,864.55
  6. Step 6: Final answer
    x = 367,201.86

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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.