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Finding the Fourth Proportional to 883,263.44, 1,324,879.80 and 218,415.44

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Solution

The fourth proportional to 883,263.44, 1,324,879.80 and 218,415.44 is: 327,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,263.44 : 1,324,879.80 = 218,415.44 : x
  2. Step 2: Convert to fraction form
    883,263.44/1,324,879.80 = 218,415.44/x
  3. Step 3: Cross multiply
    883,263.44x = 1,324,879.80 × 218,415.44
  4. Step 4: Simplify right side
    883,263.44x = 289,374,204,464.11
  5. Step 5: Solve for x
    x = 289,374,204,464.11/883,263.44
  6. Step 6: Final answer
    x = 327,619.36

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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.