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Finding the Fourth Proportional to 443,757.52, 665,634.66 and 206,968.60

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Solution

The fourth proportional to 443,757.52, 665,634.66 and 206,968.60 is: 310,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,757.52 : 665,634.66 = 206,968.60 : x
  2. Step 2: Convert to fraction form
    443,757.52/665,634.66 = 206,968.60/x
  3. Step 3: Cross multiply
    443,757.52x = 665,634.66 × 206,968.60
  4. Step 4: Simplify right side
    443,757.52x = 137,765,473,691.68
  5. Step 5: Solve for x
    x = 137,765,473,691.68/443,757.52
  6. Step 6: Final answer
    x = 310,452.14

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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.