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Finding the Fourth Proportional to 358.12, 536.92 and 175.39

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Solution

The fourth proportional to 358.12, 536.92 and 175.39 is: 262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.12 : 536.92 = 175.39 : x
  2. Step 2: Convert to fraction form
    358.12/536.92 = 175.39/x
  3. Step 3: Cross multiply
    358.12x = 536.92 × 175.39
  4. Step 4: Simplify right side
    358.12x = 94,168.62
  5. Step 5: Solve for x
    x = 94,168.62/358.12
  6. Step 6: Final answer
    x = 262.95

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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.