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Finding the Fourth Proportional to 349.17, 523.95 and 164.04

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Solution

The fourth proportional to 349.17, 523.95 and 164.04 is: 246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.17 : 523.95 = 164.04 : x
  2. Step 2: Convert to fraction form
    349.17/523.95 = 164.04/x
  3. Step 3: Cross multiply
    349.17x = 523.95 × 164.04
  4. Step 4: Simplify right side
    349.17x = 85,948.76
  5. Step 5: Solve for x
    x = 85,948.76/349.17
  6. Step 6: Final answer
    x = 246.15

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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.