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Finding the Fourth Proportional to 324,638.56, 486,455.44 and 224,993.37

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Solution

The fourth proportional to 324,638.56, 486,455.44 and 224,993.37 is: 337,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,638.56 : 486,455.44 = 224,993.37 : x
  2. Step 2: Convert to fraction form
    324,638.56/486,455.44 = 224,993.37/x
  3. Step 3: Cross multiply
    324,638.56x = 486,455.44 × 224,993.37
  4. Step 4: Simplify right side
    324,638.56x = 109,449,250,484.02
  5. Step 5: Solve for x
    x = 109,449,250,484.02/324,638.56
  6. Step 6: Final answer
    x = 337,141.87

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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.