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Finding the Fourth Proportional to 324,093.75, 447,249.41 and 178,899.58

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Solution

The fourth proportional to 324,093.75, 447,249.41 and 178,899.58 is: 246,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,093.75 : 447,249.41 = 178,899.58 : x
  2. Step 2: Convert to fraction form
    324,093.75/447,249.41 = 178,899.58/x
  3. Step 3: Cross multiply
    324,093.75x = 447,249.41 × 178,899.58
  4. Step 4: Simplify right side
    324,093.75x = 80,012,731,604.25
  5. Step 5: Solve for x
    x = 80,012,731,604.25/324,093.75
  6. Step 6: Final answer
    x = 246,881.44

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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.