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Finding the Fourth Proportional to 474.82, 712.44 and 201.04

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Solution

The fourth proportional to 474.82, 712.44 and 201.04 is: 301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.82 : 712.44 = 201.04 : x
  2. Step 2: Convert to fraction form
    474.82/712.44 = 201.04/x
  3. Step 3: Cross multiply
    474.82x = 712.44 × 201.04
  4. Step 4: Simplify right side
    474.82x = 143,228.94
  5. Step 5: Solve for x
    x = 143,228.94/474.82
  6. Step 6: Final answer
    x = 301.65

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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.