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Finding the Fourth Proportional to 263,300.68, 394,455.30 and 130,025.44

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Solution

The fourth proportional to 263,300.68, 394,455.30 and 130,025.44 is: 194,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,300.68 : 394,455.30 = 130,025.44 : x
  2. Step 2: Convert to fraction form
    263,300.68/394,455.30 = 130,025.44/x
  3. Step 3: Cross multiply
    263,300.68x = 394,455.30 × 130,025.44
  4. Step 4: Simplify right side
    263,300.68x = 51,289,223,942.83
  5. Step 5: Solve for x
    x = 51,289,223,942.83/263,300.68
  6. Step 6: Final answer
    x = 194,793.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.