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Finding the Fourth Proportional to 263,181.60, 394,768.75 and 63,500.32

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Solution

The fourth proportional to 263,181.60, 394,768.75 and 63,500.32 is: 95,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,181.60 : 394,768.75 = 63,500.32 : x
  2. Step 2: Convert to fraction form
    263,181.60/394,768.75 = 63,500.32/x
  3. Step 3: Cross multiply
    263,181.60x = 394,768.75 × 63,500.32
  4. Step 4: Simplify right side
    263,181.60x = 25,067,941,951
  5. Step 5: Solve for x
    x = 25,067,941,951/263,181.60
  6. Step 6: Final answer
    x = 95,249.60

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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.