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Finding the Fourth Proportional to 404,794.49, 558,625.07 and 223,517.90

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Solution

The fourth proportional to 404,794.49, 558,625.07 and 223,517.90 is: 308,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,794.49 : 558,625.07 = 223,517.90 : x
  2. Step 2: Convert to fraction form
    404,794.49/558,625.07 = 223,517.90/x
  3. Step 3: Cross multiply
    404,794.49x = 558,625.07 × 223,517.90
  4. Step 4: Simplify right side
    404,794.49x = 124,862,704,489.11
  5. Step 5: Solve for x
    x = 124,862,704,489.11/404,794.49
  6. Step 6: Final answer
    x = 308,459.50

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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.