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Finding the Fourth Proportional to 454,682.20, 682,023.30 and 446,906.20

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Solution

The fourth proportional to 454,682.20, 682,023.30 and 446,906.20 is: 670,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,682.20 : 682,023.30 = 446,906.20 : x
  2. Step 2: Convert to fraction form
    454,682.20/682,023.30 = 446,906.20/x
  3. Step 3: Cross multiply
    454,682.20x = 682,023.30 × 446,906.20
  4. Step 4: Simplify right side
    454,682.20x = 304,800,441,314.46
  5. Step 5: Solve for x
    x = 304,800,441,314.46/454,682.20
  6. Step 6: Final answer
    x = 670,359.30

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Double scale
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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.