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Finding the Fourth Proportional to 444,615.64, 667,029.54 and 145,096.77

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Solution

The fourth proportional to 444,615.64, 667,029.54 and 145,096.77 is: 217,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,615.64 : 667,029.54 = 145,096.77 : x
  2. Step 2: Convert to fraction form
    444,615.64/667,029.54 = 145,096.77/x
  3. Step 3: Cross multiply
    444,615.64x = 667,029.54 × 145,096.77
  4. Step 4: Simplify right side
    444,615.64x = 96,783,834,249.95
  5. Step 5: Solve for x
    x = 96,783,834,249.95/444,615.64
  6. Step 6: Final answer
    x = 217,679.78

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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.