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Finding the Fourth Proportional to 349.52, 482.16 and 232.88

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Solution

The fourth proportional to 349.52, 482.16 and 232.88 is: 321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.52 : 482.16 = 232.88 : x
  2. Step 2: Convert to fraction form
    349.52/482.16 = 232.88/x
  3. Step 3: Cross multiply
    349.52x = 482.16 × 232.88
  4. Step 4: Simplify right side
    349.52x = 112,285.42
  5. Step 5: Solve for x
    x = 112,285.42/349.52
  6. Step 6: Final answer
    x = 321.26

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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.