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Finding the Fourth Proportional to 444,829.20, 667,243.80 and 164,288.40

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Solution

The fourth proportional to 444,829.20, 667,243.80 and 164,288.40 is: 246,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,829.20 : 667,243.80 = 164,288.40 : x
  2. Step 2: Convert to fraction form
    444,829.20/667,243.80 = 164,288.40/x
  3. Step 3: Cross multiply
    444,829.20x = 667,243.80 × 164,288.40
  4. Step 4: Simplify right side
    444,829.20x = 109,620,416,311.92
  5. Step 5: Solve for x
    x = 109,620,416,311.92/444,829.20
  6. Step 6: Final answer
    x = 246,432.60

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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.