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Finding the Fourth Proportional to 333.23, 499.85 and 186.96

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Solution

The fourth proportional to 333.23, 499.85 and 186.96 is: 280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.23 : 499.85 = 186.96 : x
  2. Step 2: Convert to fraction form
    333.23/499.85 = 186.96/x
  3. Step 3: Cross multiply
    333.23x = 499.85 × 186.96
  4. Step 4: Simplify right side
    333.23x = 93,451.02
  5. Step 5: Solve for x
    x = 93,451.02/333.23
  6. Step 6: Final answer
    x = 280.44

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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.