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Finding the Fourth Proportional to 349.88, 482.82 and 194.62

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Solution

The fourth proportional to 349.88, 482.82 and 194.62 is: 268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.88 : 482.82 = 194.62 : x
  2. Step 2: Convert to fraction form
    349.88/482.82 = 194.62/x
  3. Step 3: Cross multiply
    349.88x = 482.82 × 194.62
  4. Step 4: Simplify right side
    349.88x = 93,966.43
  5. Step 5: Solve for x
    x = 93,966.43/349.88
  6. Step 6: Final answer
    x = 268.57

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Why These Related Problems?

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