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Finding the Fourth Proportional to 300,659.23, 414,944.67 and 173,339.38

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Solution

The fourth proportional to 300,659.23, 414,944.67 and 173,339.38 is: 239,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,659.23 : 414,944.67 = 173,339.38 : x
  2. Step 2: Convert to fraction form
    300,659.23/414,944.67 = 173,339.38/x
  3. Step 3: Cross multiply
    300,659.23x = 414,944.67 × 173,339.38
  4. Step 4: Simplify right side
    300,659.23x = 71,926,251,832.10
  5. Step 5: Solve for x
    x = 71,926,251,832.10/300,659.23
  6. Step 6: Final answer
    x = 239,228.48

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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.