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Finding the Fourth Proportional to 447,793.60, 672,057.60 and 444,294.40

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Solution

The fourth proportional to 447,793.60, 672,057.60 and 444,294.40 is: 666,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,793.60 : 672,057.60 = 444,294.40 : x
  2. Step 2: Convert to fraction form
    447,793.60/672,057.60 = 444,294.40/x
  3. Step 3: Cross multiply
    447,793.60x = 672,057.60 × 444,294.40
  4. Step 4: Simplify right side
    447,793.60x = 298,591,428,157.44
  5. Step 5: Solve for x
    x = 298,591,428,157.44/447,793.60
  6. Step 6: Final answer
    x = 666,805.93

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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.