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Finding the Fourth Proportional to 483,998.91, 667,919.07 and 269,134.38

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Solution

The fourth proportional to 483,998.91, 667,919.07 and 269,134.38 is: 371,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,998.91 : 667,919.07 = 269,134.38 : x
  2. Step 2: Convert to fraction form
    483,998.91/667,919.07 = 269,134.38/x
  3. Step 3: Cross multiply
    483,998.91x = 667,919.07 × 269,134.38
  4. Step 4: Simplify right side
    483,998.91x = 179,759,984,794.63
  5. Step 5: Solve for x
    x = 179,759,984,794.63/483,998.91
  6. Step 6: Final answer
    x = 371,405.76

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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.