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Finding the Fourth Proportional to 277,716.20, 416,574.30 and 100,250.60

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Solution

The fourth proportional to 277,716.20, 416,574.30 and 100,250.60 is: 150,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,716.20 : 416,574.30 = 100,250.60 : x
  2. Step 2: Convert to fraction form
    277,716.20/416,574.30 = 100,250.60/x
  3. Step 3: Cross multiply
    277,716.20x = 416,574.30 × 100,250.60
  4. Step 4: Simplify right side
    277,716.20x = 41,761,823,519.58
  5. Step 5: Solve for x
    x = 41,761,823,519.58/277,716.20
  6. Step 6: Final answer
    x = 150,375.90

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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.