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Finding the Fourth Proportional to 336.99, 465.01 and 189.59

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Solution

The fourth proportional to 336.99, 465.01 and 189.59 is: 261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.99 : 465.01 = 189.59 : x
  2. Step 2: Convert to fraction form
    336.99/465.01 = 189.59/x
  3. Step 3: Cross multiply
    336.99x = 465.01 × 189.59
  4. Step 4: Simplify right side
    336.99x = 88,161.25
  5. Step 5: Solve for x
    x = 88,161.25/336.99
  6. Step 6: Final answer
    x = 261.61

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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.