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Finding the Fourth Proportional to 587.32, 880.96 and 222.28

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Solution

The fourth proportional to 587.32, 880.96 and 222.28 is: 333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.32 : 880.96 = 222.28 : x
  2. Step 2: Convert to fraction form
    587.32/880.96 = 222.28/x
  3. Step 3: Cross multiply
    587.32x = 880.96 × 222.28
  4. Step 4: Simplify right side
    587.32x = 195,819.79
  5. Step 5: Solve for x
    x = 195,819.79/587.32
  6. Step 6: Final answer
    x = 333.41

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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.