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Finding the Fourth Proportional to 367.34, 551.41 and 358.43

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Solution

The fourth proportional to 367.34, 551.41 and 358.43 is: 538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.34 : 551.41 = 358.43 : x
  2. Step 2: Convert to fraction form
    367.34/551.41 = 358.43/x
  3. Step 3: Cross multiply
    367.34x = 551.41 × 358.43
  4. Step 4: Simplify right side
    367.34x = 197,638.23
  5. Step 5: Solve for x
    x = 197,638.23/367.34
  6. Step 6: Final answer
    x = 538.03

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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.