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Finding the Fourth Proportional to 536,367.78, 804,650.04 and 255,885

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Solution

The fourth proportional to 536,367.78, 804,650.04 and 255,885 is: 383,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,367.78 : 804,650.04 = 255,885 : x
  2. Step 2: Convert to fraction form
    536,367.78/804,650.04 = 255,885/x
  3. Step 3: Cross multiply
    536,367.78x = 804,650.04 × 255,885
  4. Step 4: Simplify right side
    536,367.78x = 205,897,875,485.40
  5. Step 5: Solve for x
    x = 205,897,875,485.40/536,367.78
  6. Step 6: Final answer
    x = 383,874.43

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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.