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Finding the Fourth Proportional to 543,176.20, 814,764.30 and 332,932.60

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Solution

The fourth proportional to 543,176.20, 814,764.30 and 332,932.60 is: 499,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,176.20 : 814,764.30 = 332,932.60 : x
  2. Step 2: Convert to fraction form
    543,176.20/814,764.30 = 332,932.60/x
  3. Step 3: Cross multiply
    543,176.20x = 814,764.30 × 332,932.60
  4. Step 4: Simplify right side
    543,176.20x = 271,261,596,786.18
  5. Step 5: Solve for x
    x = 271,261,596,786.18/543,176.20
  6. Step 6: Final answer
    x = 499,398.90

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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.