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Finding the Fourth Proportional to 483,832.60, 667,711.78 and 268,976.25

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Solution

The fourth proportional to 483,832.60, 667,711.78 and 268,976.25 is: 371,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,832.60 : 667,711.78 = 268,976.25 : x
  2. Step 2: Convert to fraction form
    483,832.60/667,711.78 = 268,976.25/x
  3. Step 3: Cross multiply
    483,832.60x = 667,711.78 × 268,976.25
  4. Step 4: Simplify right side
    483,832.60x = 179,598,609,992.78
  5. Step 5: Solve for x
    x = 179,598,609,992.78/483,832.60
  6. Step 6: Final answer
    x = 371,199.90

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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.