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Finding the Fourth Proportional to 444,315.88, 666,738.78 and 178,134.76

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Solution

The fourth proportional to 444,315.88, 666,738.78 and 178,134.76 is: 267,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,315.88 : 666,738.78 = 178,134.76 : x
  2. Step 2: Convert to fraction form
    444,315.88/666,738.78 = 178,134.76/x
  3. Step 3: Cross multiply
    444,315.88x = 666,738.78 × 178,134.76
  4. Step 4: Simplify right side
    444,315.88x = 118,769,352,557.99
  5. Step 5: Solve for x
    x = 118,769,352,557.99/444,315.88
  6. Step 6: Final answer
    x = 267,308.37

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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.