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Finding the Fourth Proportional to 422,087.94, 582,536.94 and 240,758.30

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Solution

The fourth proportional to 422,087.94, 582,536.94 and 240,758.30 is: 332,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,087.94 : 582,536.94 = 240,758.30 : x
  2. Step 2: Convert to fraction form
    422,087.94/582,536.94 = 240,758.30/x
  3. Step 3: Cross multiply
    422,087.94x = 582,536.94 × 240,758.30
  4. Step 4: Simplify right side
    422,087.94x = 140,250,603,361.60
  5. Step 5: Solve for x
    x = 140,250,603,361.60/422,087.94
  6. Step 6: Final answer
    x = 332,278.16

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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.