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Finding the Fourth Proportional to 271,878.12, 408,635.26 and 224,794.73

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Solution

The fourth proportional to 271,878.12, 408,635.26 and 224,794.73 is: 337,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,878.12 : 408,635.26 = 224,794.73 : x
  2. Step 2: Convert to fraction form
    271,878.12/408,635.26 = 224,794.73/x
  3. Step 3: Cross multiply
    271,878.12x = 408,635.26 × 224,794.73
  4. Step 4: Simplify right side
    271,878.12x = 91,859,053,399.78
  5. Step 5: Solve for x
    x = 91,859,053,399.78/271,878.12
  6. Step 6: Final answer
    x = 337,868.50

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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.