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Finding the Fourth Proportional to 359.64, 539.64 and 167.24

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Solution

The fourth proportional to 359.64, 539.64 and 167.24 is: 250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.64 : 539.64 = 167.24 : x
  2. Step 2: Convert to fraction form
    359.64/539.64 = 167.24/x
  3. Step 3: Cross multiply
    359.64x = 539.64 × 167.24
  4. Step 4: Simplify right side
    359.64x = 90,249.39
  5. Step 5: Solve for x
    x = 90,249.39/359.64
  6. Step 6: Final answer
    x = 250.94

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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.