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Finding the Fourth Proportional to 444,948.31, 667,453.65 and 178,709.05

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Solution

The fourth proportional to 444,948.31, 667,453.65 and 178,709.05 is: 268,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,948.31 : 667,453.65 = 178,709.05 : x
  2. Step 2: Convert to fraction form
    444,948.31/667,453.65 = 178,709.05/x
  3. Step 3: Cross multiply
    444,948.31x = 667,453.65 × 178,709.05
  4. Step 4: Simplify right side
    444,948.31x = 119,280,007,710.53
  5. Step 5: Solve for x
    x = 119,280,007,710.53/444,948.31
  6. Step 6: Final answer
    x = 268,076.10

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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.