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Finding the Fourth Proportional to 263,181.10, 394,768 and 63,499.82

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Solution

The fourth proportional to 263,181.10, 394,768 and 63,499.82 is: 95,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,181.10 : 394,768 = 63,499.82 : x
  2. Step 2: Convert to fraction form
    263,181.10/394,768 = 63,499.82/x
  3. Step 3: Cross multiply
    263,181.10x = 394,768 × 63,499.82
  4. Step 4: Simplify right side
    263,181.10x = 25,067,696,941.76
  5. Step 5: Solve for x
    x = 25,067,696,941.76/263,181.10
  6. Step 6: Final answer
    x = 95,248.85

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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.