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Finding the Fourth Proportional to 536,967.80, 804,530.10 and 255,879.80

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Solution

The fourth proportional to 536,967.80, 804,530.10 and 255,879.80 is: 383,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,967.80 : 804,530.10 = 255,879.80 : x
  2. Step 2: Convert to fraction form
    536,967.80/804,530.10 = 255,879.80/x
  3. Step 3: Cross multiply
    536,967.80x = 804,530.10 × 255,879.80
  4. Step 4: Simplify right side
    536,967.80x = 205,863,001,081.98
  5. Step 5: Solve for x
    x = 205,863,001,081.98/536,967.80
  6. Step 6: Final answer
    x = 383,380.53

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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.