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Finding the Fourth Proportional to 359.87, 496.50 and 235.69

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Solution

The fourth proportional to 359.87, 496.50 and 235.69 is: 325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.87 : 496.50 = 235.69 : x
  2. Step 2: Convert to fraction form
    359.87/496.50 = 235.69/x
  3. Step 3: Cross multiply
    359.87x = 496.50 × 235.69
  4. Step 4: Simplify right side
    359.87x = 117,017.96
  5. Step 5: Solve for x
    x = 117,017.96/359.87
  6. Step 6: Final answer
    x = 325.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.