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Finding the Fourth Proportional to 349.28, 523.67 and 164.08

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Solution

The fourth proportional to 349.28, 523.67 and 164.08 is: 246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.28 : 523.67 = 164.08 : x
  2. Step 2: Convert to fraction form
    349.28/523.67 = 164.08/x
  3. Step 3: Cross multiply
    349.28x = 523.67 × 164.08
  4. Step 4: Simplify right side
    349.28x = 85,923.12
  5. Step 5: Solve for x
    x = 85,923.12/349.28
  6. Step 6: Final answer
    x = 246.00

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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.