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Finding the Fourth Proportional to 536,770.80, 804,234.60 and 255,682.80

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Solution

The fourth proportional to 536,770.80, 804,234.60 and 255,682.80 is: 383,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,770.80 : 804,234.60 = 255,682.80 : x
  2. Step 2: Convert to fraction form
    536,770.80/804,234.60 = 255,682.80/x
  3. Step 3: Cross multiply
    536,770.80x = 804,234.60 × 255,682.80
  4. Step 4: Simplify right side
    536,770.80x = 205,628,954,384.88
  5. Step 5: Solve for x
    x = 205,628,954,384.88/536,770.80
  6. Step 6: Final answer
    x = 383,085.21

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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.