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Finding the Fourth Proportional to 483,900.96, 667,782.72 and 269,034.24

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Solution

The fourth proportional to 483,900.96, 667,782.72 and 269,034.24 is: 371,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,900.96 : 667,782.72 = 269,034.24 : x
  2. Step 2: Convert to fraction form
    483,900.96/667,782.72 = 269,034.24/x
  3. Step 3: Cross multiply
    483,900.96x = 667,782.72 × 269,034.24
  4. Step 4: Simplify right side
    483,900.96x = 179,656,416,560.33
  5. Step 5: Solve for x
    x = 179,656,416,560.33/483,900.96
  6. Step 6: Final answer
    x = 371,266.91

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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.