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Finding the Fourth Proportional to 452,819.70, 679,229.55 and 275,672.70

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Solution

The fourth proportional to 452,819.70, 679,229.55 and 275,672.70 is: 413,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,819.70 : 679,229.55 = 275,672.70 : x
  2. Step 2: Convert to fraction form
    452,819.70/679,229.55 = 275,672.70/x
  3. Step 3: Cross multiply
    452,819.70x = 679,229.55 × 275,672.70
  4. Step 4: Simplify right side
    452,819.70x = 187,245,043,968.29
  5. Step 5: Solve for x
    x = 187,245,043,968.29/452,819.70
  6. Step 6: Final answer
    x = 413,509.05

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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.