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Finding the Fourth Proportional to 322,606.80, 483,910.20 and 271,285.20

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Solution

The fourth proportional to 322,606.80, 483,910.20 and 271,285.20 is: 406,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,606.80 : 483,910.20 = 271,285.20 : x
  2. Step 2: Convert to fraction form
    322,606.80/483,910.20 = 271,285.20/x
  3. Step 3: Cross multiply
    322,606.80x = 483,910.20 × 271,285.20
  4. Step 4: Simplify right side
    322,606.80x = 131,277,675,389.04
  5. Step 5: Solve for x
    x = 131,277,675,389.04/322,606.80
  6. Step 6: Final answer
    x = 406,927.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.