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Finding the Fourth Proportional to 299,091.82, 447,583.85 and 186,824.91

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Solution

The fourth proportional to 299,091.82, 447,583.85 and 186,824.91 is: 279,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,091.82 : 447,583.85 = 186,824.91 : x
  2. Step 2: Convert to fraction form
    299,091.82/447,583.85 = 186,824.91/x
  3. Step 3: Cross multiply
    299,091.82x = 447,583.85 × 186,824.91
  4. Step 4: Simplify right side
    299,091.82x = 83,619,810,581.73
  5. Step 5: Solve for x
    x = 83,619,810,581.73/299,091.82
  6. Step 6: Final answer
    x = 279,579.06

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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.