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Finding the Fourth Proportional to 444,198.78, 613,008.90 and 242,994.78

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Solution

The fourth proportional to 444,198.78, 613,008.90 and 242,994.78 is: 335,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,198.78 : 613,008.90 = 242,994.78 : x
  2. Step 2: Convert to fraction form
    444,198.78/613,008.90 = 242,994.78/x
  3. Step 3: Cross multiply
    444,198.78x = 613,008.90 × 242,994.78
  4. Step 4: Simplify right side
    444,198.78x = 148,957,962,793.54
  5. Step 5: Solve for x
    x = 148,957,962,793.54/444,198.78
  6. Step 6: Final answer
    x = 335,340.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.