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Finding the Fourth Proportional to 444,731.81, 667,222.22 and 178,679.16

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Solution

The fourth proportional to 444,731.81, 667,222.22 and 178,679.16 is: 268,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,731.81 : 667,222.22 = 178,679.16 : x
  2. Step 2: Convert to fraction form
    444,731.81/667,222.22 = 178,679.16/x
  3. Step 3: Cross multiply
    444,731.81x = 667,222.22 × 178,679.16
  4. Step 4: Simplify right side
    444,731.81x = 119,218,706,249.63
  5. Step 5: Solve for x
    x = 119,218,706,249.63/444,731.81
  6. Step 6: Final answer
    x = 268,068.77

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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.