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Finding the Fourth Proportional to 333.56, 499.87 and 251.24

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Solution

The fourth proportional to 333.56, 499.87 and 251.24 is: 376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.56 : 499.87 = 251.24 : x
  2. Step 2: Convert to fraction form
    333.56/499.87 = 251.24/x
  3. Step 3: Cross multiply
    333.56x = 499.87 × 251.24
  4. Step 4: Simplify right side
    333.56x = 125,587.34
  5. Step 5: Solve for x
    x = 125,587.34/333.56
  6. Step 6: Final answer
    x = 376.51

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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.