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Finding the Fourth Proportional to 354.41, 532.76 and 329.04

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Solution

The fourth proportional to 354.41, 532.76 and 329.04 is: 494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.41 : 532.76 = 329.04 : x
  2. Step 2: Convert to fraction form
    354.41/532.76 = 329.04/x
  3. Step 3: Cross multiply
    354.41x = 532.76 × 329.04
  4. Step 4: Simplify right side
    354.41x = 175,297.71
  5. Step 5: Solve for x
    x = 175,297.71/354.41
  6. Step 6: Final answer
    x = 494.63

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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.