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Finding the Fourth Proportional to 441.52, 610.06 and 349

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Solution

The fourth proportional to 441.52, 610.06 and 349 is: 482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.52 : 610.06 = 349 : x
  2. Step 2: Convert to fraction form
    441.52/610.06 = 349/x
  3. Step 3: Cross multiply
    441.52x = 610.06 × 349
  4. Step 4: Simplify right side
    441.52x = 212,910.94
  5. Step 5: Solve for x
    x = 212,910.94/441.52
  6. Step 6: Final answer
    x = 482.22

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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.