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Finding the Fourth Proportional to 263,642.88, 395,296.72 and 223,675.64

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Solution

The fourth proportional to 263,642.88, 395,296.72 and 223,675.64 is: 335,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,642.88 : 395,296.72 = 223,675.64 : x
  2. Step 2: Convert to fraction form
    263,642.88/395,296.72 = 223,675.64/x
  3. Step 3: Cross multiply
    263,642.88x = 395,296.72 × 223,675.64
  4. Step 4: Simplify right side
    263,642.88x = 88,418,246,835.90
  5. Step 5: Solve for x
    x = 88,418,246,835.90/263,642.88
  6. Step 6: Final answer
    x = 335,371.27

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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.