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Finding the Fourth Proportional to 444,826.80, 667,240.20 and 327,020.40

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Solution

The fourth proportional to 444,826.80, 667,240.20 and 327,020.40 is: 490,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,826.80 : 667,240.20 = 327,020.40 : x
  2. Step 2: Convert to fraction form
    444,826.80/667,240.20 = 327,020.40/x
  3. Step 3: Cross multiply
    444,826.80x = 667,240.20 × 327,020.40
  4. Step 4: Simplify right side
    444,826.80x = 218,201,157,100.08
  5. Step 5: Solve for x
    x = 218,201,157,100.08/444,826.80
  6. Step 6: Final answer
    x = 490,530.60

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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.