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Finding the Fourth Proportional to 444,286.40, 666,235.20 and 177,958.40

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Solution

The fourth proportional to 444,286.40, 666,235.20 and 177,958.40 is: 266,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,286.40 : 666,235.20 = 177,958.40 : x
  2. Step 2: Convert to fraction form
    444,286.40/666,235.20 = 177,958.40/x
  3. Step 3: Cross multiply
    444,286.40x = 666,235.20 × 177,958.40
  4. Step 4: Simplify right side
    444,286.40x = 118,562,150,215.68
  5. Step 5: Solve for x
    x = 118,562,150,215.68/444,286.40
  6. Step 6: Final answer
    x = 266,859.73

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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.