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Finding the Fourth Proportional to 444,036.60, 664,110.90 and 396,991.80

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Solution

The fourth proportional to 444,036.60, 664,110.90 and 396,991.80 is: 593,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,036.60 : 664,110.90 = 396,991.80 : x
  2. Step 2: Convert to fraction form
    444,036.60/664,110.90 = 396,991.80/x
  3. Step 3: Cross multiply
    444,036.60x = 664,110.90 × 396,991.80
  4. Step 4: Simplify right side
    444,036.60x = 263,646,581,590.62
  5. Step 5: Solve for x
    x = 263,646,581,590.62/444,036.60
  6. Step 6: Final answer
    x = 593,749.66

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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.