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Finding the Fourth Proportional to 444,916.16, 667,472.72 and 245,133.68

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Solution

The fourth proportional to 444,916.16, 667,472.72 and 245,133.68 is: 367,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,916.16 : 667,472.72 = 245,133.68 : x
  2. Step 2: Convert to fraction form
    444,916.16/667,472.72 = 245,133.68/x
  3. Step 3: Cross multiply
    444,916.16x = 667,472.72 × 245,133.68
  4. Step 4: Simplify right side
    444,916.16x = 163,620,044,153.21
  5. Step 5: Solve for x
    x = 163,620,044,153.21/444,916.16
  6. Step 6: Final answer
    x = 367,754.78

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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.