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Finding the Fourth Proportional to 447,344.64, 670,809.60 and 166,786.56

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Solution

The fourth proportional to 447,344.64, 670,809.60 and 166,786.56 is: 250,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,344.64 : 670,809.60 = 166,786.56 : x
  2. Step 2: Convert to fraction form
    447,344.64/670,809.60 = 166,786.56/x
  3. Step 3: Cross multiply
    447,344.64x = 670,809.60 × 166,786.56
  4. Step 4: Simplify right side
    447,344.64x = 111,882,025,598.98
  5. Step 5: Solve for x
    x = 111,882,025,598.98/447,344.64
  6. Step 6: Final answer
    x = 250,102.53

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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.