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Finding the Fourth Proportional to 359.76, 539.74 and 116.35

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Solution

The fourth proportional to 359.76, 539.74 and 116.35 is: 174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.76 : 539.74 = 116.35 : x
  2. Step 2: Convert to fraction form
    359.76/539.74 = 116.35/x
  3. Step 3: Cross multiply
    359.76x = 539.74 × 116.35
  4. Step 4: Simplify right side
    359.76x = 62,799.93
  5. Step 5: Solve for x
    x = 62,799.93/359.76
  6. Step 6: Final answer
    x = 174.56

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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.