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Finding the Fourth Proportional to 444,784, 667,245.12 and 149,365.12

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Solution

The fourth proportional to 444,784, 667,245.12 and 149,365.12 is: 224,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,784 : 667,245.12 = 149,365.12 : x
  2. Step 2: Convert to fraction form
    444,784/667,245.12 = 149,365.12/x
  3. Step 3: Cross multiply
    444,784x = 667,245.12 × 149,365.12
  4. Step 4: Simplify right side
    444,784x = 99,663,147,418.21
  5. Step 5: Solve for x
    x = 99,663,147,418.21/444,784
  6. Step 6: Final answer
    x = 224,070.89

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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.