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Finding the Fourth Proportional to 311,855.46, 467,385.48 and 151,969.56

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Solution

The fourth proportional to 311,855.46, 467,385.48 and 151,969.56 is: 227,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,855.46 : 467,385.48 = 151,969.56 : x
  2. Step 2: Convert to fraction form
    311,855.46/467,385.48 = 151,969.56/x
  3. Step 3: Cross multiply
    311,855.46x = 467,385.48 × 151,969.56
  4. Step 4: Simplify right side
    311,855.46x = 71,028,365,745.99
  5. Step 5: Solve for x
    x = 71,028,365,745.99/311,855.46
  6. Step 6: Final answer
    x = 227,760.53

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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.