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Finding the Fourth Proportional to 349.98, 482.98 and 192.61

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Solution

The fourth proportional to 349.98, 482.98 and 192.61 is: 265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.98 : 482.98 = 192.61 : x
  2. Step 2: Convert to fraction form
    349.98/482.98 = 192.61/x
  3. Step 3: Cross multiply
    349.98x = 482.98 × 192.61
  4. Step 4: Simplify right side
    349.98x = 93,027.62
  5. Step 5: Solve for x
    x = 93,027.62/349.98
  6. Step 6: Final answer
    x = 265.81

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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.