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Finding the Fourth Proportional to 474.67, 655.05 and 264.86

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Solution

The fourth proportional to 474.67, 655.05 and 264.86 is: 365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.67 : 655.05 = 264.86 : x
  2. Step 2: Convert to fraction form
    474.67/655.05 = 264.86/x
  3. Step 3: Cross multiply
    474.67x = 655.05 × 264.86
  4. Step 4: Simplify right side
    474.67x = 173,496.54
  5. Step 5: Solve for x
    x = 173,496.54/474.67
  6. Step 6: Final answer
    x = 365.51

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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.