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Finding the Fourth Proportional to 606.92, 910.47 and 236.66

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Solution

The fourth proportional to 606.92, 910.47 and 236.66 is: 355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.92 : 910.47 = 236.66 : x
  2. Step 2: Convert to fraction form
    606.92/910.47 = 236.66/x
  3. Step 3: Cross multiply
    606.92x = 910.47 × 236.66
  4. Step 4: Simplify right side
    606.92x = 215,471.83
  5. Step 5: Solve for x
    x = 215,471.83/606.92
  6. Step 6: Final answer
    x = 355.03

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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.