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Finding the Fourth Proportional to 444,122.40, 665,989.20 and 177,794.40

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Solution

The fourth proportional to 444,122.40, 665,989.20 and 177,794.40 is: 266,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,122.40 : 665,989.20 = 177,794.40 : x
  2. Step 2: Convert to fraction form
    444,122.40/665,989.20 = 177,794.40/x
  3. Step 3: Cross multiply
    444,122.40x = 665,989.20 × 177,794.40
  4. Step 4: Simplify right side
    444,122.40x = 118,409,150,220.48
  5. Step 5: Solve for x
    x = 118,409,150,220.48/444,122.40
  6. Step 6: Final answer
    x = 266,613.78

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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.