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Finding the Fourth Proportional to 451,227.34, 622,694.46 and 247,245.85

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Solution

The fourth proportional to 451,227.34, 622,694.46 and 247,245.85 is: 341,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,227.34 : 622,694.46 = 247,245.85 : x
  2. Step 2: Convert to fraction form
    451,227.34/622,694.46 = 247,245.85/x
  3. Step 3: Cross multiply
    451,227.34x = 622,694.46 × 247,245.85
  4. Step 4: Simplify right side
    451,227.34x = 153,958,621,052.99
  5. Step 5: Solve for x
    x = 153,958,621,052.99/451,227.34
  6. Step 6: Final answer
    x = 341,199.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.