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Finding the Fourth Proportional to 404,891.67, 558,750.56 and 226,043.67

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Solution

The fourth proportional to 404,891.67, 558,750.56 and 226,043.67 is: 311,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,891.67 : 558,750.56 = 226,043.67 : x
  2. Step 2: Convert to fraction form
    404,891.67/558,750.56 = 226,043.67/x
  3. Step 3: Cross multiply
    404,891.67x = 558,750.56 × 226,043.67
  4. Step 4: Simplify right side
    404,891.67x = 126,302,026,066.74
  5. Step 5: Solve for x
    x = 126,302,026,066.74/404,891.67
  6. Step 6: Final answer
    x = 311,940.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.