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Finding the Fourth Proportional to 224.61, 336.50 and 170.34

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Solution

The fourth proportional to 224.61, 336.50 and 170.34 is: 255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.61 : 336.50 = 170.34 : x
  2. Step 2: Convert to fraction form
    224.61/336.50 = 170.34/x
  3. Step 3: Cross multiply
    224.61x = 336.50 × 170.34
  4. Step 4: Simplify right side
    224.61x = 57,319.41
  5. Step 5: Solve for x
    x = 57,319.41/224.61
  6. Step 6: Final answer
    x = 255.20

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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.