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Finding the Fourth Proportional to 422,249.44, 582,713.85 and 231,261.16

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Solution

The fourth proportional to 422,249.44, 582,713.85 and 231,261.16 is: 319,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,249.44 : 582,713.85 = 231,261.16 : x
  2. Step 2: Convert to fraction form
    422,249.44/582,713.85 = 231,261.16/x
  3. Step 3: Cross multiply
    422,249.44x = 582,713.85 × 231,261.16
  4. Step 4: Simplify right side
    422,249.44x = 134,759,080,899.07
  5. Step 5: Solve for x
    x = 134,759,080,899.07/422,249.44
  6. Step 6: Final answer
    x = 319,145.67

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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.