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Finding the Fourth Proportional to 367.76, 551.68 and 175.44

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Solution

The fourth proportional to 367.76, 551.68 and 175.44 is: 263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.76 : 551.68 = 175.44 : x
  2. Step 2: Convert to fraction form
    367.76/551.68 = 175.44/x
  3. Step 3: Cross multiply
    367.76x = 551.68 × 175.44
  4. Step 4: Simplify right side
    367.76x = 96,786.74
  5. Step 5: Solve for x
    x = 96,786.74/367.76
  6. Step 6: Final answer
    x = 263.18

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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.