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Finding the Fourth Proportional to 589.14, 884.34 and 358.61

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Solution

The fourth proportional to 589.14, 884.34 and 358.61 is: 538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.14 : 884.34 = 358.61 : x
  2. Step 2: Convert to fraction form
    589.14/884.34 = 358.61/x
  3. Step 3: Cross multiply
    589.14x = 884.34 × 358.61
  4. Step 4: Simplify right side
    589.14x = 317,128.75
  5. Step 5: Solve for x
    x = 317,128.75/589.14
  6. Step 6: Final answer
    x = 538.29

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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.