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Finding the Fourth Proportional to 494,496.50, 741,877.90 and 254,479.61

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Solution

The fourth proportional to 494,496.50, 741,877.90 and 254,479.61 is: 381,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,496.50 : 741,877.90 = 254,479.61 : x
  2. Step 2: Convert to fraction form
    494,496.50/741,877.90 = 254,479.61/x
  3. Step 3: Cross multiply
    494,496.50x = 741,877.90 × 254,479.61
  4. Step 4: Simplify right side
    494,496.50x = 188,792,799,878.12
  5. Step 5: Solve for x
    x = 188,792,799,878.12/494,496.50
  6. Step 6: Final answer
    x = 381,787.94

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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.