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Finding the Fourth Proportional to 444,700.80, 667,051.20 and 398,044.80

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Solution

The fourth proportional to 444,700.80, 667,051.20 and 398,044.80 is: 597,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,700.80 : 667,051.20 = 398,044.80 : x
  2. Step 2: Convert to fraction form
    444,700.80/667,051.20 = 398,044.80/x
  3. Step 3: Cross multiply
    444,700.80x = 667,051.20 × 398,044.80
  4. Step 4: Simplify right side
    444,700.80x = 265,516,261,493.76
  5. Step 5: Solve for x
    x = 265,516,261,493.76/444,700.80
  6. Step 6: Final answer
    x = 597,067.20

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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.