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Finding the Fourth Proportional to 530.82, 796.52 and 222.61

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Solution

The fourth proportional to 530.82, 796.52 and 222.61 is: 334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.82 : 796.52 = 222.61 : x
  2. Step 2: Convert to fraction form
    530.82/796.52 = 222.61/x
  3. Step 3: Cross multiply
    530.82x = 796.52 × 222.61
  4. Step 4: Simplify right side
    530.82x = 177,313.32
  5. Step 5: Solve for x
    x = 177,313.32/530.82
  6. Step 6: Final answer
    x = 334.04

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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.