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Finding the Fourth Proportional to 273,629.80, 410,444.70 and 263,132.20

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Solution

The fourth proportional to 273,629.80, 410,444.70 and 263,132.20 is: 394,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,629.80 : 410,444.70 = 263,132.20 : x
  2. Step 2: Convert to fraction form
    273,629.80/410,444.70 = 263,132.20/x
  3. Step 3: Cross multiply
    273,629.80x = 410,444.70 × 263,132.20
  4. Step 4: Simplify right side
    273,629.80x = 108,001,216,889.34
  5. Step 5: Solve for x
    x = 108,001,216,889.34/273,629.80
  6. Step 6: Final answer
    x = 394,698.30

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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.