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Finding the Fourth Proportional to 332.22, 498.33 and 115.79

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Solution

The fourth proportional to 332.22, 498.33 and 115.79 is: 173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.22 : 498.33 = 115.79 : x
  2. Step 2: Convert to fraction form
    332.22/498.33 = 115.79/x
  3. Step 3: Cross multiply
    332.22x = 498.33 × 115.79
  4. Step 4: Simplify right side
    332.22x = 57,702.88
  5. Step 5: Solve for x
    x = 57,702.88/332.22
  6. Step 6: Final answer
    x = 173.69

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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.