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Finding the Fourth Proportional to 444,913.10, 667,074.39 and 311,954.43

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Solution

The fourth proportional to 444,913.10, 667,074.39 and 311,954.43 is: 467,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,913.10 : 667,074.39 = 311,954.43 : x
  2. Step 2: Convert to fraction form
    444,913.10/667,074.39 = 311,954.43/x
  3. Step 3: Cross multiply
    444,913.10x = 667,074.39 × 311,954.43
  4. Step 4: Simplify right side
    444,913.10x = 208,096,811,100.05
  5. Step 5: Solve for x
    x = 208,096,811,100.05/444,913.10
  6. Step 6: Final answer
    x = 467,724.62

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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.