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Finding the Fourth Proportional to 224,604.90, 311,374.13 and 212,620.14

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Solution

The fourth proportional to 224,604.90, 311,374.13 and 212,620.14 is: 294,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,604.90 : 311,374.13 = 212,620.14 : x
  2. Step 2: Convert to fraction form
    224,604.90/311,374.13 = 212,620.14/x
  3. Step 3: Cross multiply
    224,604.90x = 311,374.13 × 212,620.14
  4. Step 4: Simplify right side
    224,604.90x = 66,204,410,049.88
  5. Step 5: Solve for x
    x = 66,204,410,049.88/224,604.90
  6. Step 6: Final answer
    x = 294,759.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.