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Finding the Fourth Proportional to 300,618.77, 414,654.30 and 193,324.55

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Solution

The fourth proportional to 300,618.77, 414,654.30 and 193,324.55 is: 266,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,618.77 : 414,654.30 = 193,324.55 : x
  2. Step 2: Convert to fraction form
    300,618.77/414,654.30 = 193,324.55/x
  3. Step 3: Cross multiply
    300,618.77x = 414,654.30 × 193,324.55
  4. Step 4: Simplify right side
    300,618.77x = 80,162,853,879.79
  5. Step 5: Solve for x
    x = 80,162,853,879.79/300,618.77
  6. Step 6: Final answer
    x = 266,659.51

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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.