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Finding the Fourth Proportional to 474.92, 655.35 and 265.11

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Solution

The fourth proportional to 474.92, 655.35 and 265.11 is: 365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.92 : 655.35 = 265.11 : x
  2. Step 2: Convert to fraction form
    474.92/655.35 = 265.11/x
  3. Step 3: Cross multiply
    474.92x = 655.35 × 265.11
  4. Step 4: Simplify right side
    474.92x = 173,739.84
  5. Step 5: Solve for x
    x = 173,739.84/474.92
  6. Step 6: Final answer
    x = 365.83

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