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Finding the Fourth Proportional to 444,770.20, 667,241.70 and 192,050.20

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Solution

The fourth proportional to 444,770.20, 667,241.70 and 192,050.20 is: 288,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,770.20 : 667,241.70 = 192,050.20 : x
  2. Step 2: Convert to fraction form
    444,770.20/667,241.70 = 192,050.20/x
  3. Step 3: Cross multiply
    444,770.20x = 667,241.70 × 192,050.20
  4. Step 4: Simplify right side
    444,770.20x = 128,143,901,933.34
  5. Step 5: Solve for x
    x = 128,143,901,933.34/444,770.20
  6. Step 6: Final answer
    x = 288,112.61

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1.5x scale

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.