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Finding the Fourth Proportional to 222,311.70, 333,467.55 and 203,940.90

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Solution

The fourth proportional to 222,311.70, 333,467.55 and 203,940.90 is: 305,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,311.70 : 333,467.55 = 203,940.90 : x
  2. Step 2: Convert to fraction form
    222,311.70/333,467.55 = 203,940.90/x
  3. Step 3: Cross multiply
    222,311.70x = 333,467.55 × 203,940.90
  4. Step 4: Simplify right side
    222,311.70x = 68,007,672,267.80
  5. Step 5: Solve for x
    x = 68,007,672,267.80/222,311.70
  6. Step 6: Final answer
    x = 305,911.35

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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.