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Finding the Fourth Proportional to 333, 499.34 and 170.76

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Solution

The fourth proportional to 333, 499.34 and 170.76 is: 256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    333 : 499.34 = 170.76 : x
  2. Step 2: Convert to fraction form
    333/499.34 = 170.76/x
  3. Step 3: Cross multiply
    333x = 499.34 × 170.76
  4. Step 4: Simplify right side
    333x = 85,267.30
  5. Step 5: Solve for x
    x = 85,267.30/333
  6. Step 6: Final answer
    x = 256.06

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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.