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Finding the Fourth Proportional to 359.24, 496.20 and 294.52

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Solution

The fourth proportional to 359.24, 496.20 and 294.52 is: 406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.24 : 496.20 = 294.52 : x
  2. Step 2: Convert to fraction form
    359.24/496.20 = 294.52/x
  3. Step 3: Cross multiply
    359.24x = 496.20 × 294.52
  4. Step 4: Simplify right side
    359.24x = 146,140.82
  5. Step 5: Solve for x
    x = 146,140.82/359.24
  6. Step 6: Final answer
    x = 406.81

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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.