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Finding the Fourth Proportional to 474.91, 655.37 and 265.13

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Solution

The fourth proportional to 474.91, 655.37 and 265.13 is: 365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.91 : 655.37 = 265.13 : x
  2. Step 2: Convert to fraction form
    474.91/655.37 = 265.13/x
  3. Step 3: Cross multiply
    474.91x = 655.37 × 265.13
  4. Step 4: Simplify right side
    474.91x = 173,762.28
  5. Step 5: Solve for x
    x = 173,762.28/474.91
  6. Step 6: Final answer
    x = 365.88

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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.