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Finding the Fourth Proportional to 356.67, 532.24 and 353.97

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Solution

The fourth proportional to 356.67, 532.24 and 353.97 is: 528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.67 : 532.24 = 353.97 : x
  2. Step 2: Convert to fraction form
    356.67/532.24 = 353.97/x
  3. Step 3: Cross multiply
    356.67x = 532.24 × 353.97
  4. Step 4: Simplify right side
    356.67x = 188,396.99
  5. Step 5: Solve for x
    x = 188,396.99/356.67
  6. Step 6: Final answer
    x = 528.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.