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Finding the Fourth Proportional to 359.72, 539.50 and 167.24

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Solution

The fourth proportional to 359.72, 539.50 and 167.24 is: 250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.72 : 539.50 = 167.24 : x
  2. Step 2: Convert to fraction form
    359.72/539.50 = 167.24/x
  3. Step 3: Cross multiply
    359.72x = 539.50 × 167.24
  4. Step 4: Simplify right side
    359.72x = 90,225.98
  5. Step 5: Solve for x
    x = 90,225.98/359.72
  6. Step 6: Final answer
    x = 250.82

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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.