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Finding the Fourth Proportional to 444,803.60, 667,205.40 and 295,245.20

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Solution

The fourth proportional to 444,803.60, 667,205.40 and 295,245.20 is: 442,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,803.60 : 667,205.40 = 295,245.20 : x
  2. Step 2: Convert to fraction form
    444,803.60/667,205.40 = 295,245.20/x
  3. Step 3: Cross multiply
    444,803.60x = 667,205.40 × 295,245.20
  4. Step 4: Simplify right side
    444,803.60x = 196,989,191,764.08
  5. Step 5: Solve for x
    x = 196,989,191,764.08/444,803.60
  6. Step 6: Final answer
    x = 442,867.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.