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Finding the Fourth Proportional to 333.92, 460.85 and 255.11

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Solution

The fourth proportional to 333.92, 460.85 and 255.11 is: 352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.92 : 460.85 = 255.11 : x
  2. Step 2: Convert to fraction form
    333.92/460.85 = 255.11/x
  3. Step 3: Cross multiply
    333.92x = 460.85 × 255.11
  4. Step 4: Simplify right side
    333.92x = 117,563.86
  5. Step 5: Solve for x
    x = 117,563.86/333.92
  6. Step 6: Final answer
    x = 352.08

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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.