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Finding the Fourth Proportional to 322,471.50, 483,765.44 and 132,828.36

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Solution

The fourth proportional to 322,471.50, 483,765.44 and 132,828.36 is: 199,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,471.50 : 483,765.44 = 132,828.36 : x
  2. Step 2: Convert to fraction form
    322,471.50/483,765.44 = 132,828.36/x
  3. Step 3: Cross multiply
    322,471.50x = 483,765.44 × 132,828.36
  4. Step 4: Simplify right side
    322,471.50x = 64,257,770,019.88
  5. Step 5: Solve for x
    x = 64,257,770,019.88/322,471.50
  6. Step 6: Final answer
    x = 199,266.51

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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.