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Finding the Fourth Proportional to 324,896.28, 486,163.44 and 268,209.24

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Solution

The fourth proportional to 324,896.28, 486,163.44 and 268,209.24 is: 401,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,896.28 : 486,163.44 = 268,209.24 : x
  2. Step 2: Convert to fraction form
    324,896.28/486,163.44 = 268,209.24/x
  3. Step 3: Cross multiply
    324,896.28x = 486,163.44 × 268,209.24
  4. Step 4: Simplify right side
    324,896.28x = 130,393,526,758.19
  5. Step 5: Solve for x
    x = 130,393,526,758.19/324,896.28
  6. Step 6: Final answer
    x = 401,338.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.