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Finding the Fourth Proportional to 263,567.28, 395,351.72 and 63,886.88

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Solution

The fourth proportional to 263,567.28, 395,351.72 and 63,886.88 is: 95,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,567.28 : 395,351.72 = 63,886.88 : x
  2. Step 2: Convert to fraction form
    263,567.28/395,351.72 = 63,886.88/x
  3. Step 3: Cross multiply
    263,567.28x = 395,351.72 × 63,886.88
  4. Step 4: Simplify right side
    263,567.28x = 25,257,787,893.43
  5. Step 5: Solve for x
    x = 25,257,787,893.43/263,567.28
  6. Step 6: Final answer
    x = 95,830.51

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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.