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Finding the Fourth Proportional to 329.12, 493.74 and 184.92

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Solution

The fourth proportional to 329.12, 493.74 and 184.92 is: 277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.12 : 493.74 = 184.92 : x
  2. Step 2: Convert to fraction form
    329.12/493.74 = 184.92/x
  3. Step 3: Cross multiply
    329.12x = 493.74 × 184.92
  4. Step 4: Simplify right side
    329.12x = 91,302.40
  5. Step 5: Solve for x
    x = 91,302.40/329.12
  6. Step 6: Final answer
    x = 277.41

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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.