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Finding the Fourth Proportional to 359.63, 495.95 and 235.24

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Solution

The fourth proportional to 359.63, 495.95 and 235.24 is: 324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.63 : 495.95 = 235.24 : x
  2. Step 2: Convert to fraction form
    359.63/495.95 = 235.24/x
  3. Step 3: Cross multiply
    359.63x = 495.95 × 235.24
  4. Step 4: Simplify right side
    359.63x = 116,667.28
  5. Step 5: Solve for x
    x = 116,667.28/359.63
  6. Step 6: Final answer
    x = 324.41

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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.