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Finding the Fourth Proportional to 333.94, 500.85 and 114.55

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Solution

The fourth proportional to 333.94, 500.85 and 114.55 is: 171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.94 : 500.85 = 114.55 : x
  2. Step 2: Convert to fraction form
    333.94/500.85 = 114.55/x
  3. Step 3: Cross multiply
    333.94x = 500.85 × 114.55
  4. Step 4: Simplify right side
    333.94x = 57,372.75
  5. Step 5: Solve for x
    x = 57,372.75/333.94
  6. Step 6: Final answer
    x = 171.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.