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Finding the Fourth Proportional to 349.45, 482.24 and 192.08

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Solution

The fourth proportional to 349.45, 482.24 and 192.08 is: 265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.45 : 482.24 = 192.08 : x
  2. Step 2: Convert to fraction form
    349.45/482.24 = 192.08/x
  3. Step 3: Cross multiply
    349.45x = 482.24 × 192.08
  4. Step 4: Simplify right side
    349.45x = 92,628.66
  5. Step 5: Solve for x
    x = 92,628.66/349.45
  6. Step 6: Final answer
    x = 265.07

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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.