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Finding the Fourth Proportional to 300,273.98, 414,528.12 and 172,924.97

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Solution

The fourth proportional to 300,273.98, 414,528.12 and 172,924.97 is: 238,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,273.98 : 414,528.12 = 172,924.97 : x
  2. Step 2: Convert to fraction form
    300,273.98/414,528.12 = 172,924.97/x
  3. Step 3: Cross multiply
    300,273.98x = 414,528.12 × 172,924.97
  4. Step 4: Simplify right side
    300,273.98x = 71,682,261,850.53
  5. Step 5: Solve for x
    x = 71,682,261,850.53/300,273.98
  6. Step 6: Final answer
    x = 238,722.86

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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.