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Finding the Fourth Proportional to 333.66, 500.49 and 117.22

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Solution

The fourth proportional to 333.66, 500.49 and 117.22 is: 175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.66 : 500.49 = 117.22 : x
  2. Step 2: Convert to fraction form
    333.66/500.49 = 117.22/x
  3. Step 3: Cross multiply
    333.66x = 500.49 × 117.22
  4. Step 4: Simplify right side
    333.66x = 58,667.44
  5. Step 5: Solve for x
    x = 58,667.44/333.66
  6. Step 6: Final answer
    x = 175.83

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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.