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Finding the Fourth Proportional to 324,698.30, 447,793.53 and 203,850.85

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Solution

The fourth proportional to 324,698.30, 447,793.53 and 203,850.85 is: 281,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,698.30 : 447,793.53 = 203,850.85 : x
  2. Step 2: Convert to fraction form
    324,698.30/447,793.53 = 203,850.85/x
  3. Step 3: Cross multiply
    324,698.30x = 447,793.53 × 203,850.85
  4. Step 4: Simplify right side
    324,698.30x = 91,283,091,715.00
  5. Step 5: Solve for x
    x = 91,283,091,715.00/324,698.30
  6. Step 6: Final answer
    x = 281,132.03

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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.