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Finding the Fourth Proportional to 224.34, 336.77 and 169.67

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Solution

The fourth proportional to 224.34, 336.77 and 169.67 is: 254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.34 : 336.77 = 169.67 : x
  2. Step 2: Convert to fraction form
    224.34/336.77 = 169.67/x
  3. Step 3: Cross multiply
    224.34x = 336.77 × 169.67
  4. Step 4: Simplify right side
    224.34x = 57,139.77
  5. Step 5: Solve for x
    x = 57,139.77/224.34
  6. Step 6: Final answer
    x = 254.70

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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.