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Finding the Fourth Proportional to 444,783, 667,243.62 and 149,364.12

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Solution

The fourth proportional to 444,783, 667,243.62 and 149,364.12 is: 224,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,783 : 667,243.62 = 149,364.12 : x
  2. Step 2: Convert to fraction form
    444,783/667,243.62 = 149,364.12/x
  3. Step 3: Cross multiply
    444,783x = 667,243.62 × 149,364.12
  4. Step 4: Simplify right side
    444,783x = 99,662,256,126.91
  5. Step 5: Solve for x
    x = 99,662,256,126.91/444,783
  6. Step 6: Final answer
    x = 224,069.39

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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.