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Finding the Fourth Proportional to 329, 493.69 and 182.77

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Solution

The fourth proportional to 329, 493.69 and 182.77 is: 274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329 : 493.69 = 182.77 : x
  2. Step 2: Convert to fraction form
    329/493.69 = 182.77/x
  3. Step 3: Cross multiply
    329x = 493.69 × 182.77
  4. Step 4: Simplify right side
    329x = 90,231.72
  5. Step 5: Solve for x
    x = 90,231.72/329
  6. Step 6: Final answer
    x = 274.26

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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.