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Finding the Fourth Proportional to 483,596.80, 726,086.40 and 273,644.80

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Solution

The fourth proportional to 483,596.80, 726,086.40 and 273,644.80 is: 410,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,596.80 : 726,086.40 = 273,644.80 : x
  2. Step 2: Convert to fraction form
    483,596.80/726,086.40 = 273,644.80/x
  3. Step 3: Cross multiply
    483,596.80x = 726,086.40 × 273,644.80
  4. Step 4: Simplify right side
    483,596.80x = 198,689,767,710.72
  5. Step 5: Solve for x
    x = 198,689,767,710.72/483,596.80
  6. Step 6: Final answer
    x = 410,858.32

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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.