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Finding the Fourth Proportional to 349.44, 482.22 and 192.07

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Solution

The fourth proportional to 349.44, 482.22 and 192.07 is: 265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.44 : 482.22 = 192.07 : x
  2. Step 2: Convert to fraction form
    349.44/482.22 = 192.07/x
  3. Step 3: Cross multiply
    349.44x = 482.22 × 192.07
  4. Step 4: Simplify right side
    349.44x = 92,620.60
  5. Step 5: Solve for x
    x = 92,620.60/349.44
  6. Step 6: Final answer
    x = 265.06

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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.