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Finding the Fourth Proportional to 300,516.17, 414,723.49 and 171,475.65

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Solution

The fourth proportional to 300,516.17, 414,723.49 and 171,475.65 is: 236,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,516.17 : 414,723.49 = 171,475.65 : x
  2. Step 2: Convert to fraction form
    300,516.17/414,723.49 = 171,475.65/x
  3. Step 3: Cross multiply
    300,516.17x = 414,723.49 × 171,475.65
  4. Step 4: Simplify right side
    300,516.17x = 71,114,979,589.33
  5. Step 5: Solve for x
    x = 71,114,979,589.33/300,516.17
  6. Step 6: Final answer
    x = 236,642.78

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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.