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Finding the Fourth Proportional to 329.46, 493.74 and 183

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Solution

The fourth proportional to 329.46, 493.74 and 183 is: 274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.46 : 493.74 = 183 : x
  2. Step 2: Convert to fraction form
    329.46/493.74 = 183/x
  3. Step 3: Cross multiply
    329.46x = 493.74 × 183
  4. Step 4: Simplify right side
    329.46x = 90,354.42
  5. Step 5: Solve for x
    x = 90,354.42/329.46
  6. Step 6: Final answer
    x = 274.25

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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.