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Finding the Fourth Proportional to 349.48, 482.26 and 192.10

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Solution

The fourth proportional to 349.48, 482.26 and 192.10 is: 265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.48 : 482.26 = 192.10 : x
  2. Step 2: Convert to fraction form
    349.48/482.26 = 192.10/x
  3. Step 3: Cross multiply
    349.48x = 482.26 × 192.10
  4. Step 4: Simplify right side
    349.48x = 92,642.15
  5. Step 5: Solve for x
    x = 92,642.15/349.48
  6. Step 6: Final answer
    x = 265.09

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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.