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Finding the Fourth Proportional to 530.82, 796.23 and 222.89

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Solution

The fourth proportional to 530.82, 796.23 and 222.89 is: 334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.82 : 796.23 = 222.89 : x
  2. Step 2: Convert to fraction form
    530.82/796.23 = 222.89/x
  3. Step 3: Cross multiply
    530.82x = 796.23 × 222.89
  4. Step 4: Simplify right side
    530.82x = 177,467.72
  5. Step 5: Solve for x
    x = 177,467.72/530.82
  6. Step 6: Final answer
    x = 334.33

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Double scale
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Similar ratio
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1.5x scale

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.