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Finding the Fourth Proportional to 333.57, 500.44 and 117.17

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Solution

The fourth proportional to 333.57, 500.44 and 117.17 is: 175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.57 : 500.44 = 117.17 : x
  2. Step 2: Convert to fraction form
    333.57/500.44 = 117.17/x
  3. Step 3: Cross multiply
    333.57x = 500.44 × 117.17
  4. Step 4: Simplify right side
    333.57x = 58,636.55
  5. Step 5: Solve for x
    x = 58,636.55/333.57
  6. Step 6: Final answer
    x = 175.78

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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.