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Finding the Fourth Proportional to 483,908, 667,793.04 and 271,940

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Solution

The fourth proportional to 483,908, 667,793.04 and 271,940 is: 375,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,908 : 667,793.04 = 271,940 : x
  2. Step 2: Convert to fraction form
    483,908/667,793.04 = 271,940/x
  3. Step 3: Cross multiply
    483,908x = 667,793.04 × 271,940
  4. Step 4: Simplify right side
    483,908x = 181,599,639,297.60
  5. Step 5: Solve for x
    x = 181,599,639,297.60/483,908
  6. Step 6: Final answer
    x = 375,277.20

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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.