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Finding the Fourth Proportional to 263,782.96, 395,259.46 and 203,957.58

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Solution

The fourth proportional to 263,782.96, 395,259.46 and 203,957.58 is: 305,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,782.96 : 395,259.46 = 203,957.58 : x
  2. Step 2: Convert to fraction form
    263,782.96/395,259.46 = 203,957.58/x
  3. Step 3: Cross multiply
    263,782.96x = 395,259.46 × 203,957.58
  4. Step 4: Simplify right side
    263,782.96x = 80,616,162,933.71
  5. Step 5: Solve for x
    x = 80,616,162,933.71/263,782.96
  6. Step 6: Final answer
    x = 305,615.51

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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.