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Finding the Fourth Proportional to 344,664.82, 475,403.66 and 223,589.73

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Solution

The fourth proportional to 344,664.82, 475,403.66 and 223,589.73 is: 308,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,664.82 : 475,403.66 = 223,589.73 : x
  2. Step 2: Convert to fraction form
    344,664.82/475,403.66 = 223,589.73/x
  3. Step 3: Cross multiply
    344,664.82x = 475,403.66 × 223,589.73
  4. Step 4: Simplify right side
    344,664.82x = 106,295,375,980.41
  5. Step 5: Solve for x
    x = 106,295,375,980.41/344,664.82
  6. Step 6: Final answer
    x = 308,402.17

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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.