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Finding the Fourth Proportional to 444,711.87, 667,661.94 and 255,361.41

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Solution

The fourth proportional to 444,711.87, 667,661.94 and 255,361.41 is: 383,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,711.87 : 667,661.94 = 255,361.41 : x
  2. Step 2: Convert to fraction form
    444,711.87/667,661.94 = 255,361.41/x
  3. Step 3: Cross multiply
    444,711.87x = 667,661.94 × 255,361.41
  4. Step 4: Simplify right side
    444,711.87x = 170,495,094,401.74
  5. Step 5: Solve for x
    x = 170,495,094,401.74/444,711.87
  6. Step 6: Final answer
    x = 383,383.28

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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.