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Finding the Fourth Proportional to 404,605.14, 558,544.05 and 234,806.46

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Solution

The fourth proportional to 404,605.14, 558,544.05 and 234,806.46 is: 324,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,605.14 : 558,544.05 = 234,806.46 : x
  2. Step 2: Convert to fraction form
    404,605.14/558,544.05 = 234,806.46/x
  3. Step 3: Cross multiply
    404,605.14x = 558,544.05 × 234,806.46
  4. Step 4: Simplify right side
    404,605.14x = 131,149,751,134.56
  5. Step 5: Solve for x
    x = 131,149,751,134.56/404,605.14
  6. Step 6: Final answer
    x = 324,142.57

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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.