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Finding the Fourth Proportional to 444,829.40, 667,292.70 and 430,832.60

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Solution

The fourth proportional to 444,829.40, 667,292.70 and 430,832.60 is: 646,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,829.40 : 667,292.70 = 430,832.60 : x
  2. Step 2: Convert to fraction form
    444,829.40/667,292.70 = 430,832.60/x
  3. Step 3: Cross multiply
    444,829.40x = 667,292.70 × 430,832.60
  4. Step 4: Simplify right side
    444,829.40x = 287,491,448,902.02
  5. Step 5: Solve for x
    x = 287,491,448,902.02/444,829.40
  6. Step 6: Final answer
    x = 646,295.97

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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.