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Finding the Fourth Proportional to 359.81, 496.62 and 235.26

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Solution

The fourth proportional to 359.81, 496.62 and 235.26 is: 324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.81 : 496.62 = 235.26 : x
  2. Step 2: Convert to fraction form
    359.81/496.62 = 235.26/x
  3. Step 3: Cross multiply
    359.81x = 496.62 × 235.26
  4. Step 4: Simplify right side
    359.81x = 116,834.82
  5. Step 5: Solve for x
    x = 116,834.82/359.81
  6. Step 6: Final answer
    x = 324.72

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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.