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Finding the Fourth Proportional to 263,633.46, 363,850.37 and 161,640.88

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Solution

The fourth proportional to 263,633.46, 363,850.37 and 161,640.88 is: 223,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,633.46 : 363,850.37 = 161,640.88 : x
  2. Step 2: Convert to fraction form
    263,633.46/363,850.37 = 161,640.88/x
  3. Step 3: Cross multiply
    263,633.46x = 363,850.37 × 161,640.88
  4. Step 4: Simplify right side
    263,633.46x = 58,813,093,995.13
  5. Step 5: Solve for x
    x = 58,813,093,995.13/263,633.46
  6. Step 6: Final answer
    x = 223,086.61

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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.