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Finding the Fourth Proportional to 263,552.10, 395,324.65 and 63,874.21

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Solution

The fourth proportional to 263,552.10, 395,324.65 and 63,874.21 is: 95,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,552.10 : 395,324.65 = 63,874.21 : x
  2. Step 2: Convert to fraction form
    263,552.10/395,324.65 = 63,874.21/x
  3. Step 3: Cross multiply
    263,552.10x = 395,324.65 × 63,874.21
  4. Step 4: Simplify right side
    263,552.10x = 25,251,049,712.28
  5. Step 5: Solve for x
    x = 25,251,049,712.28/263,552.10
  6. Step 6: Final answer
    x = 95,810.47

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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.