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Finding the Fourth Proportional to 293,626.92, 405,231.30 and 166,310.76

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Solution

The fourth proportional to 293,626.92, 405,231.30 and 166,310.76 is: 229,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,626.92 : 405,231.30 = 166,310.76 : x
  2. Step 2: Convert to fraction form
    293,626.92/405,231.30 = 166,310.76/x
  3. Step 3: Cross multiply
    293,626.92x = 405,231.30 × 166,310.76
  4. Step 4: Simplify right side
    293,626.92x = 67,394,325,478.79
  5. Step 5: Solve for x
    x = 67,394,325,478.79/293,626.92
  6. Step 6: Final answer
    x = 229,523.66

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1.5x scale

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.