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Finding the Fourth Proportional to 300,793.25, 415,094.70 and 179,939.63

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Solution

The fourth proportional to 300,793.25, 415,094.70 and 179,939.63 is: 248,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,793.25 : 415,094.70 = 179,939.63 : x
  2. Step 2: Convert to fraction form
    300,793.25/415,094.70 = 179,939.63/x
  3. Step 3: Cross multiply
    300,793.25x = 415,094.70 × 179,939.63
  4. Step 4: Simplify right side
    300,793.25x = 74,691,986,732.96
  5. Step 5: Solve for x
    x = 74,691,986,732.96/300,793.25
  6. Step 6: Final answer
    x = 248,316.70

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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.