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Finding the Fourth Proportional to 483,391.72, 667,057.94 and 268,544.89

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Solution

The fourth proportional to 483,391.72, 667,057.94 and 268,544.89 is: 370,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,391.72 : 667,057.94 = 268,544.89 : x
  2. Step 2: Convert to fraction form
    483,391.72/667,057.94 = 268,544.89/x
  3. Step 3: Cross multiply
    483,391.72x = 667,057.94 × 268,544.89
  4. Step 4: Simplify right side
    483,391.72x = 179,134,999,778.20
  5. Step 5: Solve for x
    x = 179,134,999,778.20/483,391.72
  6. Step 6: Final answer
    x = 370,579.37

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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.