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Finding the Fourth Proportional to 531.24, 796.94 and 222.90

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Solution

The fourth proportional to 531.24, 796.94 and 222.90 is: 334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.24 : 796.94 = 222.90 : x
  2. Step 2: Convert to fraction form
    531.24/796.94 = 222.90/x
  3. Step 3: Cross multiply
    531.24x = 796.94 × 222.90
  4. Step 4: Simplify right side
    531.24x = 177,636.81
  5. Step 5: Solve for x
    x = 177,636.81/531.24
  6. Step 6: Final answer
    x = 334.38

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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.