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Finding the Fourth Proportional to 349.35, 482.12 and 192.00

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Solution

The fourth proportional to 349.35, 482.12 and 192.00 is: 264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.35 : 482.12 = 192.00 : x
  2. Step 2: Convert to fraction form
    349.35/482.12 = 192.00/x
  3. Step 3: Cross multiply
    349.35x = 482.12 × 192.00
  4. Step 4: Simplify right side
    349.35x = 92,565.78
  5. Step 5: Solve for x
    x = 92,565.78/349.35
  6. Step 6: Final answer
    x = 264.96

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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.