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Finding the Fourth Proportional to 483,908.25, 667,793.39 and 271,940.25

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Solution

The fourth proportional to 483,908.25, 667,793.39 and 271,940.25 is: 375,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,908.25 : 667,793.39 = 271,940.25 : x
  2. Step 2: Convert to fraction form
    483,908.25/667,793.39 = 271,940.25/x
  3. Step 3: Cross multiply
    483,908.25x = 667,793.39 × 271,940.25
  4. Step 4: Simplify right side
    483,908.25x = 181,599,900,065.25
  5. Step 5: Solve for x
    x = 181,599,900,065.25/483,908.25
  6. Step 6: Final answer
    x = 375,277.55

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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.