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Finding the Fourth Proportional to 474.75, 712.33 and 352.44

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Solution

The fourth proportional to 474.75, 712.33 and 352.44 is: 528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.75 : 712.33 = 352.44 : x
  2. Step 2: Convert to fraction form
    474.75/712.33 = 352.44/x
  3. Step 3: Cross multiply
    474.75x = 712.33 × 352.44
  4. Step 4: Simplify right side
    474.75x = 251,052.70
  5. Step 5: Solve for x
    x = 251,052.70/474.75
  6. Step 6: Final answer
    x = 528.81

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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.