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Finding the Fourth Proportional to 263,675.76, 395,509.46 and 63,997.80

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Solution

The fourth proportional to 263,675.76, 395,509.46 and 63,997.80 is: 95,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,675.76 : 395,509.46 = 63,997.80 : x
  2. Step 2: Convert to fraction form
    263,675.76/395,509.46 = 63,997.80/x
  3. Step 3: Cross multiply
    263,675.76x = 395,509.46 × 63,997.80
  4. Step 4: Simplify right side
    263,675.76x = 25,311,735,319.19
  5. Step 5: Solve for x
    x = 25,311,735,319.19/263,675.76
  6. Step 6: Final answer
    x = 95,995.69

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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.