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Finding the Fourth Proportional to 295,997.80, 443,996.70 and 263,338.60

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Solution

The fourth proportional to 295,997.80, 443,996.70 and 263,338.60 is: 395,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,997.80 : 443,996.70 = 263,338.60 : x
  2. Step 2: Convert to fraction form
    295,997.80/443,996.70 = 263,338.60/x
  3. Step 3: Cross multiply
    295,997.80x = 443,996.70 × 263,338.60
  4. Step 4: Simplify right side
    295,997.80x = 116,921,469,382.62
  5. Step 5: Solve for x
    x = 116,921,469,382.62/295,997.80
  6. Step 6: Final answer
    x = 395,007.90

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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.