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Finding the Fourth Proportional to 299,996, 449,771.88 and 181,639.52

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Solution

The fourth proportional to 299,996, 449,771.88 and 181,639.52 is: 272,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,996 : 449,771.88 = 181,639.52 : x
  2. Step 2: Convert to fraction form
    299,996/449,771.88 = 181,639.52/x
  3. Step 3: Cross multiply
    299,996x = 449,771.88 × 181,639.52
  4. Step 4: Simplify right side
    299,996x = 81,696,348,392.70
  5. Step 5: Solve for x
    x = 81,696,348,392.70/299,996
  6. Step 6: Final answer
    x = 272,324.79

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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.