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Finding the Fourth Proportional to 474.93, 655.37 and 265.08

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Solution

The fourth proportional to 474.93, 655.37 and 265.08 is: 365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.93 : 655.37 = 265.08 : x
  2. Step 2: Convert to fraction form
    474.93/655.37 = 265.08/x
  3. Step 3: Cross multiply
    474.93x = 655.37 × 265.08
  4. Step 4: Simplify right side
    474.93x = 173,724.15
  5. Step 5: Solve for x
    x = 173,724.15/474.93
  6. Step 6: Final answer
    x = 365.79

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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.