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Finding the Fourth Proportional to 277,591.38, 416,385.67 and 67,229.32

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Solution

The fourth proportional to 277,591.38, 416,385.67 and 67,229.32 is: 100,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,591.38 : 416,385.67 = 67,229.32 : x
  2. Step 2: Convert to fraction form
    277,591.38/416,385.67 = 67,229.32/x
  3. Step 3: Cross multiply
    277,591.38x = 416,385.67 × 67,229.32
  4. Step 4: Simplify right side
    277,591.38x = 27,993,325,451.84
  5. Step 5: Solve for x
    x = 27,993,325,451.84/277,591.38
  6. Step 6: Final answer
    x = 100,843.64

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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.