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Finding the Fourth Proportional to 474.75, 655.13 and 264.96

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Solution

The fourth proportional to 474.75, 655.13 and 264.96 is: 365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.75 : 655.13 = 264.96 : x
  2. Step 2: Convert to fraction form
    474.75/655.13 = 264.96/x
  3. Step 3: Cross multiply
    474.75x = 655.13 × 264.96
  4. Step 4: Simplify right side
    474.75x = 173,583.91
  5. Step 5: Solve for x
    x = 173,583.91/474.75
  6. Step 6: Final answer
    x = 365.63

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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.