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Finding the Fourth Proportional to 609.29, 914.08 and 176.44

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Solution

The fourth proportional to 609.29, 914.08 and 176.44 is: 264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.29 : 914.08 = 176.44 : x
  2. Step 2: Convert to fraction form
    609.29/914.08 = 176.44/x
  3. Step 3: Cross multiply
    609.29x = 914.08 × 176.44
  4. Step 4: Simplify right side
    609.29x = 161,280.28
  5. Step 5: Solve for x
    x = 161,280.28/609.29
  6. Step 6: Final answer
    x = 264.70

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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.