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Finding the Fourth Proportional to 483,753.60, 725,846.40 and 168,436.80

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Solution

The fourth proportional to 483,753.60, 725,846.40 and 168,436.80 is: 252,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,753.60 : 725,846.40 = 168,436.80 : x
  2. Step 2: Convert to fraction form
    483,753.60/725,846.40 = 168,436.80/x
  3. Step 3: Cross multiply
    483,753.60x = 725,846.40 × 168,436.80
  4. Step 4: Simplify right side
    483,753.60x = 122,259,244,907.52
  5. Step 5: Solve for x
    x = 122,259,244,907.52/483,753.60
  6. Step 6: Final answer
    x = 252,730.41

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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.