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Finding the Fourth Proportional to 263,354.33, 395,034.85 and 92,569.15

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Solution

The fourth proportional to 263,354.33, 395,034.85 and 92,569.15 is: 138,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,354.33 : 395,034.85 = 92,569.15 : x
  2. Step 2: Convert to fraction form
    263,354.33/395,034.85 = 92,569.15/x
  3. Step 3: Cross multiply
    263,354.33x = 395,034.85 × 92,569.15
  4. Step 4: Simplify right side
    263,354.33x = 36,568,040,284.88
  5. Step 5: Solve for x
    x = 36,568,040,284.88/263,354.33
  6. Step 6: Final answer
    x = 138,854.90

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1.5x scale

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.