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Finding the Fourth Proportional to 263,059.20, 394,617.60 and 254,764.80

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Solution

The fourth proportional to 263,059.20, 394,617.60 and 254,764.80 is: 382,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,059.20 : 394,617.60 = 254,764.80 : x
  2. Step 2: Convert to fraction form
    263,059.20/394,617.60 = 254,764.80/x
  3. Step 3: Cross multiply
    263,059.20x = 394,617.60 × 254,764.80
  4. Step 4: Simplify right side
    263,059.20x = 100,534,673,940.48
  5. Step 5: Solve for x
    x = 100,534,673,940.48/263,059.20
  6. Step 6: Final answer
    x = 382,175.09

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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.