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Finding the Fourth Proportional to 441,198.44, 660,127.62 and 261,380.42

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Solution

The fourth proportional to 441,198.44, 660,127.62 and 261,380.42 is: 391,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,198.44 : 660,127.62 = 261,380.42 : x
  2. Step 2: Convert to fraction form
    441,198.44/660,127.62 = 261,380.42/x
  3. Step 3: Cross multiply
    441,198.44x = 660,127.62 × 261,380.42
  4. Step 4: Simplify right side
    441,198.44x = 172,544,434,724.22
  5. Step 5: Solve for x
    x = 172,544,434,724.22/441,198.44
  6. Step 6: Final answer
    x = 391,081.24

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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.