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Finding the Fourth Proportional to 589.38, 884.25 and 395.16

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Solution

The fourth proportional to 589.38, 884.25 and 395.16 is: 592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.38 : 884.25 = 395.16 : x
  2. Step 2: Convert to fraction form
    589.38/884.25 = 395.16/x
  3. Step 3: Cross multiply
    589.38x = 884.25 × 395.16
  4. Step 4: Simplify right side
    589.38x = 349,420.23
  5. Step 5: Solve for x
    x = 349,420.23/589.38
  6. Step 6: Final answer
    x = 592.86

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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.