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Finding the Fourth Proportional to 262,485.44, 393,843.52 and 137,797.44

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Solution

The fourth proportional to 262,485.44, 393,843.52 and 137,797.44 is: 206,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,485.44 : 393,843.52 = 137,797.44 : x
  2. Step 2: Convert to fraction form
    262,485.44/393,843.52 = 137,797.44/x
  3. Step 3: Cross multiply
    262,485.44x = 393,843.52 × 137,797.44
  4. Step 4: Simplify right side
    262,485.44x = 54,270,628,816.59
  5. Step 5: Solve for x
    x = 54,270,628,816.59/262,485.44
  6. Step 6: Final answer
    x = 206,756.72

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1.5x scale

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.