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Finding the Fourth Proportional to 362,954.79, 500,743.75 and 219,662.55

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Solution

The fourth proportional to 362,954.79, 500,743.75 and 219,662.55 is: 303,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,954.79 : 500,743.75 = 219,662.55 : x
  2. Step 2: Convert to fraction form
    362,954.79/500,743.75 = 219,662.55/x
  3. Step 3: Cross multiply
    362,954.79x = 500,743.75 × 219,662.55
  4. Step 4: Simplify right side
    362,954.79x = 109,994,649,021.56
  5. Step 5: Solve for x
    x = 109,994,649,021.56/362,954.79
  6. Step 6: Final answer
    x = 303,053.31

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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.