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Finding the Fourth Proportional to 443.96, 665.84 and 183.85

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Solution

The fourth proportional to 443.96, 665.84 and 183.85 is: 275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.96 : 665.84 = 183.85 : x
  2. Step 2: Convert to fraction form
    443.96/665.84 = 183.85/x
  3. Step 3: Cross multiply
    443.96x = 665.84 × 183.85
  4. Step 4: Simplify right side
    443.96x = 122,416.19
  5. Step 5: Solve for x
    x = 122,416.19/443.96
  6. Step 6: Final answer
    x = 275.73

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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.