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Finding the Fourth Proportional to 263,446.43, 395,170.25 and 151,855.97

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Solution

The fourth proportional to 263,446.43, 395,170.25 and 151,855.97 is: 227,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,446.43 : 395,170.25 = 151,855.97 : x
  2. Step 2: Convert to fraction form
    263,446.43/395,170.25 = 151,855.97/x
  3. Step 3: Cross multiply
    263,446.43x = 395,170.25 × 151,855.97
  4. Step 4: Simplify right side
    263,446.43x = 60,008,958,893.76
  5. Step 5: Solve for x
    x = 60,008,958,893.76/263,446.43
  6. Step 6: Final answer
    x = 227,784.30

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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.