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Finding the Fourth Proportional to 471.67, 650.56 and 360.96

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Solution

The fourth proportional to 471.67, 650.56 and 360.96 is: 497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.67 : 650.56 = 360.96 : x
  2. Step 2: Convert to fraction form
    471.67/650.56 = 360.96/x
  3. Step 3: Cross multiply
    471.67x = 650.56 × 360.96
  4. Step 4: Simplify right side
    471.67x = 234,826.14
  5. Step 5: Solve for x
    x = 234,826.14/471.67
  6. Step 6: Final answer
    x = 497.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.