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Finding the Fourth Proportional to 359.24, 538.58 and 173.84

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Solution

The fourth proportional to 359.24, 538.58 and 173.84 is: 260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.24 : 538.58 = 173.84 : x
  2. Step 2: Convert to fraction form
    359.24/538.58 = 173.84/x
  3. Step 3: Cross multiply
    359.24x = 538.58 × 173.84
  4. Step 4: Simplify right side
    359.24x = 93,626.75
  5. Step 5: Solve for x
    x = 93,626.75/359.24
  6. Step 6: Final answer
    x = 260.62

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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.