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Finding the Fourth Proportional to 263,463.60, 394,419 and 163,301.44

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Solution

The fourth proportional to 263,463.60, 394,419 and 163,301.44 is: 244,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,463.60 : 394,419 = 163,301.44 : x
  2. Step 2: Convert to fraction form
    263,463.60/394,419 = 163,301.44/x
  3. Step 3: Cross multiply
    263,463.60x = 394,419 × 163,301.44
  4. Step 4: Simplify right side
    263,463.60x = 64,409,190,663.36
  5. Step 5: Solve for x
    x = 64,409,190,663.36/263,463.60
  6. Step 6: Final answer
    x = 244,470.93

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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.