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Finding the Fourth Proportional to 222,003.15, 333,004.73 and 220,447.95

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Solution

The fourth proportional to 222,003.15, 333,004.73 and 220,447.95 is: 330,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,003.15 : 333,004.73 = 220,447.95 : x
  2. Step 2: Convert to fraction form
    222,003.15/333,004.73 = 220,447.95/x
  3. Step 3: Cross multiply
    222,003.15x = 333,004.73 × 220,447.95
  4. Step 4: Simplify right side
    222,003.15x = 73,410,208,966.56
  5. Step 5: Solve for x
    x = 73,410,208,966.56/222,003.15
  6. Step 6: Final answer
    x = 330,671.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.