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Finding the Fourth Proportional to 444,231.60, 664,403.40 and 397,186.80

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Solution

The fourth proportional to 444,231.60, 664,403.40 and 397,186.80 is: 594,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,231.60 : 664,403.40 = 397,186.80 : x
  2. Step 2: Convert to fraction form
    444,231.60/664,403.40 = 397,186.80/x
  3. Step 3: Cross multiply
    444,231.60x = 664,403.40 × 397,186.80
  4. Step 4: Simplify right side
    444,231.60x = 263,892,260,355.12
  5. Step 5: Solve for x
    x = 263,892,260,355.12/444,231.60
  6. Step 6: Final answer
    x = 594,042.07

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1.5x scale

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.