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Finding the Fourth Proportional to 589.74, 884.82 and 329.97

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Solution

The fourth proportional to 589.74, 884.82 and 329.97 is: 495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.74 : 884.82 = 329.97 : x
  2. Step 2: Convert to fraction form
    589.74/884.82 = 329.97/x
  3. Step 3: Cross multiply
    589.74x = 884.82 × 329.97
  4. Step 4: Simplify right side
    589.74x = 291,963.01
  5. Step 5: Solve for x
    x = 291,963.01/589.74
  6. Step 6: Final answer
    x = 495.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.