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Finding the Fourth Proportional to 483,758.60, 725,853.90 and 168,441.80

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Solution

The fourth proportional to 483,758.60, 725,853.90 and 168,441.80 is: 252,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,758.60 : 725,853.90 = 168,441.80 : x
  2. Step 2: Convert to fraction form
    483,758.60/725,853.90 = 168,441.80/x
  3. Step 3: Cross multiply
    483,758.60x = 725,853.90 × 168,441.80
  4. Step 4: Simplify right side
    483,758.60x = 122,264,137,453.02
  5. Step 5: Solve for x
    x = 122,264,137,453.02/483,758.60
  6. Step 6: Final answer
    x = 252,737.91

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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.