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Finding the Fourth Proportional to 324,522.96, 447,839.24 and 179,338.54

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Solution

The fourth proportional to 324,522.96, 447,839.24 and 179,338.54 is: 247,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,522.96 : 447,839.24 = 179,338.54 : x
  2. Step 2: Convert to fraction form
    324,522.96/447,839.24 = 179,338.54/x
  3. Step 3: Cross multiply
    324,522.96x = 447,839.24 × 179,338.54
  4. Step 4: Simplify right side
    324,522.96x = 80,314,834,112.54
  5. Step 5: Solve for x
    x = 80,314,834,112.54/324,522.96
  6. Step 6: Final answer
    x = 247,485.83

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1.5x scale

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.