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Finding the Fourth Proportional to 333.54, 499.21 and 185.07

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Solution

The fourth proportional to 333.54, 499.21 and 185.07 is: 276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.54 : 499.21 = 185.07 : x
  2. Step 2: Convert to fraction form
    333.54/499.21 = 185.07/x
  3. Step 3: Cross multiply
    333.54x = 499.21 × 185.07
  4. Step 4: Simplify right side
    333.54x = 92,388.79
  5. Step 5: Solve for x
    x = 92,388.79/333.54
  6. Step 6: Final answer
    x = 276.99

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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.