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Finding the Fourth Proportional to 589.48, 884.27 and 156.63

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Solution

The fourth proportional to 589.48, 884.27 and 156.63 is: 234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.48 : 884.27 = 156.63 : x
  2. Step 2: Convert to fraction form
    589.48/884.27 = 156.63/x
  3. Step 3: Cross multiply
    589.48x = 884.27 × 156.63
  4. Step 4: Simplify right side
    589.48x = 138,503.21
  5. Step 5: Solve for x
    x = 138,503.21/589.48
  6. Step 6: Final answer
    x = 234.96

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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.