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Finding the Fourth Proportional to 397,773.16, 548,984.80 and 223,362.92

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Solution

The fourth proportional to 397,773.16, 548,984.80 and 223,362.92 is: 308,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,773.16 : 548,984.80 = 223,362.92 : x
  2. Step 2: Convert to fraction form
    397,773.16/548,984.80 = 223,362.92/x
  3. Step 3: Cross multiply
    397,773.16x = 548,984.80 × 223,362.92
  4. Step 4: Simplify right side
    397,773.16x = 122,622,847,963.62
  5. Step 5: Solve for x
    x = 122,622,847,963.62/397,773.16
  6. Step 6: Final answer
    x = 308,273.31

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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.