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Finding the Fourth Proportional to 224.40, 336.28 and 176.56

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Solution

The fourth proportional to 224.40, 336.28 and 176.56 is: 264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.40 : 336.28 = 176.56 : x
  2. Step 2: Convert to fraction form
    224.40/336.28 = 176.56/x
  3. Step 3: Cross multiply
    224.40x = 336.28 × 176.56
  4. Step 4: Simplify right side
    224.40x = 59,373.60
  5. Step 5: Solve for x
    x = 59,373.60/224.40
  6. Step 6: Final answer
    x = 264.59

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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.