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Finding the Fourth Proportional to 349.31, 482.09 and 194.06

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Solution

The fourth proportional to 349.31, 482.09 and 194.06 is: 267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.31 : 482.09 = 194.06 : x
  2. Step 2: Convert to fraction form
    349.31/482.09 = 194.06/x
  3. Step 3: Cross multiply
    349.31x = 482.09 × 194.06
  4. Step 4: Simplify right side
    349.31x = 93,554.62
  5. Step 5: Solve for x
    x = 93,554.62/349.31
  6. Step 6: Final answer
    x = 267.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.