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Finding the Fourth Proportional to 349.14, 523.61 and 118.04

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Solution

The fourth proportional to 349.14, 523.61 and 118.04 is: 177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.14 : 523.61 = 118.04 : x
  2. Step 2: Convert to fraction form
    349.14/523.61 = 118.04/x
  3. Step 3: Cross multiply
    349.14x = 523.61 × 118.04
  4. Step 4: Simplify right side
    349.14x = 61,803.72
  5. Step 5: Solve for x
    x = 61,803.72/349.14
  6. Step 6: Final answer
    x = 177.02

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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.