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Finding the Fourth Proportional to 359.81, 539.67 and 116.33

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Solution

The fourth proportional to 359.81, 539.67 and 116.33 is: 174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.81 : 539.67 = 116.33 : x
  2. Step 2: Convert to fraction form
    359.81/539.67 = 116.33/x
  3. Step 3: Cross multiply
    359.81x = 539.67 × 116.33
  4. Step 4: Simplify right side
    359.81x = 62,779.81
  5. Step 5: Solve for x
    x = 62,779.81/359.81
  6. Step 6: Final answer
    x = 174.48

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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.