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Finding the Fourth Proportional to 263,649.57, 395,474.92 and 95,288.75

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Solution

The fourth proportional to 263,649.57, 395,474.92 and 95,288.75 is: 142,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,649.57 : 395,474.92 = 95,288.75 : x
  2. Step 2: Convert to fraction form
    263,649.57/395,474.92 = 95,288.75/x
  3. Step 3: Cross multiply
    263,649.57x = 395,474.92 × 95,288.75
  4. Step 4: Simplify right side
    263,649.57x = 37,684,310,783.15
  5. Step 5: Solve for x
    x = 37,684,310,783.15/263,649.57
  6. Step 6: Final answer
    x = 142,933.33

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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.