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Finding the Fourth Proportional to 483,380.44, 667,064.66 and 268,540.60

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Solution

The fourth proportional to 483,380.44, 667,064.66 and 268,540.60 is: 370,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,380.44 : 667,064.66 = 268,540.60 : x
  2. Step 2: Convert to fraction form
    483,380.44/667,064.66 = 268,540.60/x
  3. Step 3: Cross multiply
    483,380.44x = 667,064.66 × 268,540.60
  4. Step 4: Simplify right side
    483,380.44x = 179,133,944,035.20
  5. Step 5: Solve for x
    x = 179,133,944,035.20/483,380.44
  6. Step 6: Final answer
    x = 370,585.84

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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.