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Finding the Fourth Proportional to 333.52, 500.38 and 117.12

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Solution

The fourth proportional to 333.52, 500.38 and 117.12 is: 175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.52 : 500.38 = 117.12 : x
  2. Step 2: Convert to fraction form
    333.52/500.38 = 117.12/x
  3. Step 3: Cross multiply
    333.52x = 500.38 × 117.12
  4. Step 4: Simplify right side
    333.52x = 58,604.51
  5. Step 5: Solve for x
    x = 58,604.51/333.52
  6. Step 6: Final answer
    x = 175.72

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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.