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Finding the Fourth Proportional to 551.44, 828.24 and 532

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Solution

The fourth proportional to 551.44, 828.24 and 532 is: 799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.44 : 828.24 = 532 : x
  2. Step 2: Convert to fraction form
    551.44/828.24 = 532/x
  3. Step 3: Cross multiply
    551.44x = 828.24 × 532
  4. Step 4: Simplify right side
    551.44x = 440,623.68
  5. Step 5: Solve for x
    x = 440,623.68/551.44
  6. Step 6: Final answer
    x = 799.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.