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Finding the Fourth Proportional to 443,469.26, 665,247.43 and 119,253.34

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Solution

The fourth proportional to 443,469.26, 665,247.43 and 119,253.34 is: 178,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,469.26 : 665,247.43 = 119,253.34 : x
  2. Step 2: Convert to fraction form
    443,469.26/665,247.43 = 119,253.34/x
  3. Step 3: Cross multiply
    443,469.26x = 665,247.43 × 119,253.34
  4. Step 4: Simplify right side
    443,469.26x = 79,332,975,992.66
  5. Step 5: Solve for x
    x = 79,332,975,992.66/443,469.26
  6. Step 6: Final answer
    x = 178,891.72

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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.