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Finding the Fourth Proportional to 359.93, 496.91 and 242.12

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Solution

The fourth proportional to 359.93, 496.91 and 242.12 is: 334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.93 : 496.91 = 242.12 : x
  2. Step 2: Convert to fraction form
    359.93/496.91 = 242.12/x
  3. Step 3: Cross multiply
    359.93x = 496.91 × 242.12
  4. Step 4: Simplify right side
    359.93x = 120,311.85
  5. Step 5: Solve for x
    x = 120,311.85/359.93
  6. Step 6: Final answer
    x = 334.26

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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.