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Finding the Fourth Proportional to 349.91, 482.87 and 192.52

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Solution

The fourth proportional to 349.91, 482.87 and 192.52 is: 265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.91 : 482.87 = 192.52 : x
  2. Step 2: Convert to fraction form
    349.91/482.87 = 192.52/x
  3. Step 3: Cross multiply
    349.91x = 482.87 × 192.52
  4. Step 4: Simplify right side
    349.91x = 92,959.96
  5. Step 5: Solve for x
    x = 92,959.96/349.91
  6. Step 6: Final answer
    x = 265.67

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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.