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Finding the Fourth Proportional to 324,356.97, 486,327.56 and 134,948.73

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Solution

The fourth proportional to 324,356.97, 486,327.56 and 134,948.73 is: 202,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,356.97 : 486,327.56 = 134,948.73 : x
  2. Step 2: Convert to fraction form
    324,356.97/486,327.56 = 134,948.73/x
  3. Step 3: Cross multiply
    324,356.97x = 486,327.56 × 134,948.73
  4. Step 4: Simplify right side
    324,356.97x = 65,629,286,586.00
  5. Step 5: Solve for x
    x = 65,629,286,586.00/324,356.97
  6. Step 6: Final answer
    x = 202,336.60

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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.