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Finding the Fourth Proportional to 349.62, 482.48 and 192.26

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Solution

The fourth proportional to 349.62, 482.48 and 192.26 is: 265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.62 : 482.48 = 192.26 : x
  2. Step 2: Convert to fraction form
    349.62/482.48 = 192.26/x
  3. Step 3: Cross multiply
    349.62x = 482.48 × 192.26
  4. Step 4: Simplify right side
    349.62x = 92,762.57
  5. Step 5: Solve for x
    x = 92,762.57/349.62
  6. Step 6: Final answer
    x = 265.33

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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.