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Finding the Fourth Proportional to 536,960.80, 804,519.60 and 255,872.80

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Solution

The fourth proportional to 536,960.80, 804,519.60 and 255,872.80 is: 383,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,960.80 : 804,519.60 = 255,872.80 : x
  2. Step 2: Convert to fraction form
    536,960.80/804,519.60 = 255,872.80/x
  3. Step 3: Cross multiply
    536,960.80x = 804,519.60 × 255,872.80
  4. Step 4: Simplify right side
    536,960.80x = 205,854,682,706.88
  5. Step 5: Solve for x
    x = 205,854,682,706.88/536,960.80
  6. Step 6: Final answer
    x = 383,370.04

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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.