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Finding the Fourth Proportional to 337.35, 465.57 and 189.99

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Solution

The fourth proportional to 337.35, 465.57 and 189.99 is: 262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.35 : 465.57 = 189.99 : x
  2. Step 2: Convert to fraction form
    337.35/465.57 = 189.99/x
  3. Step 3: Cross multiply
    337.35x = 465.57 × 189.99
  4. Step 4: Simplify right side
    337.35x = 88,453.64
  5. Step 5: Solve for x
    x = 88,453.64/337.35
  6. Step 6: Final answer
    x = 262.20

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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.