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Finding the Fourth Proportional to 443,229.12, 664,843.44 and 110,805.12

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Solution

The fourth proportional to 443,229.12, 664,843.44 and 110,805.12 is: 166,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,229.12 : 664,843.44 = 110,805.12 : x
  2. Step 2: Convert to fraction form
    443,229.12/664,843.44 = 110,805.12/x
  3. Step 3: Cross multiply
    443,229.12x = 664,843.44 × 110,805.12
  4. Step 4: Simplify right side
    443,229.12x = 73,668,057,150.41
  5. Step 5: Solve for x
    x = 73,668,057,150.41/443,229.12
  6. Step 6: Final answer
    x = 166,207.62

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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.