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Finding the Fourth Proportional to 404,604.64, 558,543.36 and 234,805.96

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Solution

The fourth proportional to 404,604.64, 558,543.36 and 234,805.96 is: 324,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,604.64 : 558,543.36 = 234,805.96 : x
  2. Step 2: Convert to fraction form
    404,604.64/558,543.36 = 234,805.96/x
  3. Step 3: Cross multiply
    404,604.64x = 558,543.36 × 234,805.96
  4. Step 4: Simplify right side
    404,604.64x = 131,149,309,846.43
  5. Step 5: Solve for x
    x = 131,149,309,846.43/404,604.64
  6. Step 6: Final answer
    x = 324,141.88

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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.