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Finding the Fourth Proportional to 322,191.48, 444,611.84 and 178,960.64

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Solution

The fourth proportional to 322,191.48, 444,611.84 and 178,960.64 is: 246,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,191.48 : 444,611.84 = 178,960.64 : x
  2. Step 2: Convert to fraction form
    322,191.48/444,611.84 = 178,960.64/x
  3. Step 3: Cross multiply
    322,191.48x = 444,611.84 × 178,960.64
  4. Step 4: Simplify right side
    322,191.48x = 79,568,019,437.98
  5. Step 5: Solve for x
    x = 79,568,019,437.98/322,191.48
  6. Step 6: Final answer
    x = 246,958.79

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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.