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Finding the Fourth Proportional to 422,796.26, 583,464.58 and 231,809.24

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Solution

The fourth proportional to 422,796.26, 583,464.58 and 231,809.24 is: 319,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,796.26 : 583,464.58 = 231,809.24 : x
  2. Step 2: Convert to fraction form
    422,796.26/583,464.58 = 231,809.24/x
  3. Step 3: Cross multiply
    422,796.26x = 583,464.58 × 231,809.24
  4. Step 4: Simplify right side
    422,796.26x = 135,252,480,856.72
  5. Step 5: Solve for x
    x = 135,252,480,856.72/422,796.26
  6. Step 6: Final answer
    x = 319,899.90

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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.