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Finding the Fourth Proportional to 329.10, 492.84 and 184.56

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Solution

The fourth proportional to 329.10, 492.84 and 184.56 is: 276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.10 : 492.84 = 184.56 : x
  2. Step 2: Convert to fraction form
    329.10/492.84 = 184.56/x
  3. Step 3: Cross multiply
    329.10x = 492.84 × 184.56
  4. Step 4: Simplify right side
    329.10x = 90,958.55
  5. Step 5: Solve for x
    x = 90,958.55/329.10
  6. Step 6: Final answer
    x = 276.39

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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.