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Finding the Fourth Proportional to 444,143.60, 664,271.40 and 397,098.80

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Solution

The fourth proportional to 444,143.60, 664,271.40 and 397,098.80 is: 593,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,143.60 : 664,271.40 = 397,098.80 : x
  2. Step 2: Convert to fraction form
    444,143.60/664,271.40 = 397,098.80/x
  3. Step 3: Cross multiply
    444,143.60x = 664,271.40 × 397,098.80
  4. Step 4: Simplify right side
    444,143.60x = 263,781,375,814.32
  5. Step 5: Solve for x
    x = 263,781,375,814.32/444,143.60
  6. Step 6: Final answer
    x = 593,910.11

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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.