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Finding the Fourth Proportional to 329.06, 493.49 and 246.65

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Solution

The fourth proportional to 329.06, 493.49 and 246.65 is: 369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.06 : 493.49 = 246.65 : x
  2. Step 2: Convert to fraction form
    329.06/493.49 = 246.65/x
  3. Step 3: Cross multiply
    329.06x = 493.49 × 246.65
  4. Step 4: Simplify right side
    329.06x = 121,717.46
  5. Step 5: Solve for x
    x = 121,717.46/329.06
  6. Step 6: Final answer
    x = 369.89

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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.