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Finding the Fourth Proportional to 367.17, 550.14 and 358.05

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Solution

The fourth proportional to 367.17, 550.14 and 358.05 is: 536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.17 : 550.14 = 358.05 : x
  2. Step 2: Convert to fraction form
    367.17/550.14 = 358.05/x
  3. Step 3: Cross multiply
    367.17x = 550.14 × 358.05
  4. Step 4: Simplify right side
    367.17x = 196,980.36
  5. Step 5: Solve for x
    x = 196,980.36/367.17
  6. Step 6: Final answer
    x = 536.49

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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.