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Finding the Fourth Proportional to 359.94, 539.88 and 167.58

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Solution

The fourth proportional to 359.94, 539.88 and 167.58 is: 251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.94 : 539.88 = 167.58 : x
  2. Step 2: Convert to fraction form
    359.94/539.88 = 167.58/x
  3. Step 3: Cross multiply
    359.94x = 539.88 × 167.58
  4. Step 4: Simplify right side
    359.94x = 90,473.09
  5. Step 5: Solve for x
    x = 90,473.09/359.94
  6. Step 6: Final answer
    x = 251.36

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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.