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Finding the Fourth Proportional to 337.19, 465.32 and 189.82

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Solution

The fourth proportional to 337.19, 465.32 and 189.82 is: 261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.19 : 465.32 = 189.82 : x
  2. Step 2: Convert to fraction form
    337.19/465.32 = 189.82/x
  3. Step 3: Cross multiply
    337.19x = 465.32 × 189.82
  4. Step 4: Simplify right side
    337.19x = 88,328.10
  5. Step 5: Solve for x
    x = 88,328.10/337.19
  6. Step 6: Final answer
    x = 261.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.