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Finding the Fourth Proportional to 299,890.42, 449,448.13 and 224,418.41

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Solution

The fourth proportional to 299,890.42, 449,448.13 and 224,418.41 is: 336,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,890.42 : 449,448.13 = 224,418.41 : x
  2. Step 2: Convert to fraction form
    299,890.42/449,448.13 = 224,418.41/x
  3. Step 3: Cross multiply
    299,890.42x = 449,448.13 × 224,418.41
  4. Step 4: Simplify right side
    299,890.42x = 100,864,435,696.58
  5. Step 5: Solve for x
    x = 100,864,435,696.58/299,890.42
  6. Step 6: Final answer
    x = 336,337.64

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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.