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Finding the Fourth Proportional to 359.75, 539.60 and 116.27

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Solution

The fourth proportional to 359.75, 539.60 and 116.27 is: 174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.75 : 539.60 = 116.27 : x
  2. Step 2: Convert to fraction form
    359.75/539.60 = 116.27/x
  3. Step 3: Cross multiply
    359.75x = 539.60 × 116.27
  4. Step 4: Simplify right side
    359.75x = 62,739.29
  5. Step 5: Solve for x
    x = 62,739.29/359.75
  6. Step 6: Final answer
    x = 174.40

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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.