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Finding the Fourth Proportional to 333.62, 500.28 and 117.14

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Solution

The fourth proportional to 333.62, 500.28 and 117.14 is: 175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.62 : 500.28 = 117.14 : x
  2. Step 2: Convert to fraction form
    333.62/500.28 = 117.14/x
  3. Step 3: Cross multiply
    333.62x = 500.28 × 117.14
  4. Step 4: Simplify right side
    333.62x = 58,604.05
  5. Step 5: Solve for x
    x = 58,604.05/333.62
  6. Step 6: Final answer
    x = 175.66

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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.