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Finding the Fourth Proportional to 222.50, 333.20 and 176.54

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Solution

The fourth proportional to 222.50, 333.20 and 176.54 is: 264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.50 : 333.20 = 176.54 : x
  2. Step 2: Convert to fraction form
    222.50/333.20 = 176.54/x
  3. Step 3: Cross multiply
    222.50x = 333.20 × 176.54
  4. Step 4: Simplify right side
    222.50x = 58,823.13
  5. Step 5: Solve for x
    x = 58,823.13/222.50
  6. Step 6: Final answer
    x = 264.37

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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.