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Finding the Fourth Proportional to 492,067.40, 738,101.10 and 482,736.20

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Solution

The fourth proportional to 492,067.40, 738,101.10 and 482,736.20 is: 724,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,067.40 : 738,101.10 = 482,736.20 : x
  2. Step 2: Convert to fraction form
    492,067.40/738,101.10 = 482,736.20/x
  3. Step 3: Cross multiply
    492,067.40x = 738,101.10 × 482,736.20
  4. Step 4: Simplify right side
    492,067.40x = 356,308,120,229.82
  5. Step 5: Solve for x
    x = 356,308,120,229.82/492,067.40
  6. Step 6: Final answer
    x = 724,104.30

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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.