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Finding the Fourth Proportional to 444,890.05, 667,366.21 and 178,650.56

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Solution

The fourth proportional to 444,890.05, 667,366.21 and 178,650.56 is: 267,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,890.05 : 667,366.21 = 178,650.56 : x
  2. Step 2: Convert to fraction form
    444,890.05/667,366.21 = 178,650.56/x
  3. Step 3: Cross multiply
    444,890.05x = 667,366.21 × 178,650.56
  4. Step 4: Simplify right side
    444,890.05x = 119,225,348,970.50
  5. Step 5: Solve for x
    x = 119,225,348,970.50/444,890.05
  6. Step 6: Final answer
    x = 267,988.35

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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.