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Finding the Fourth Proportional to 359.44, 539.40 and 167.08

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Solution

The fourth proportional to 359.44, 539.40 and 167.08 is: 250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.44 : 539.40 = 167.08 : x
  2. Step 2: Convert to fraction form
    359.44/539.40 = 167.08/x
  3. Step 3: Cross multiply
    359.44x = 539.40 × 167.08
  4. Step 4: Simplify right side
    359.44x = 90,122.95
  5. Step 5: Solve for x
    x = 90,122.95/359.44
  6. Step 6: Final answer
    x = 250.73

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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.