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Finding the Fourth Proportional to 609.48, 914.22 and 176.67

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Solution

The fourth proportional to 609.48, 914.22 and 176.67 is: 265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.48 : 914.22 = 176.67 : x
  2. Step 2: Convert to fraction form
    609.48/914.22 = 176.67/x
  3. Step 3: Cross multiply
    609.48x = 914.22 × 176.67
  4. Step 4: Simplify right side
    609.48x = 161,515.25
  5. Step 5: Solve for x
    x = 161,515.25/609.48
  6. Step 6: Final answer
    x = 265.01

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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.