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Finding the Fourth Proportional to 539,824.54, 809,092.58 and 251,247.86

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Solution

The fourth proportional to 539,824.54, 809,092.58 and 251,247.86 is: 376,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,824.54 : 809,092.58 = 251,247.86 : x
  2. Step 2: Convert to fraction form
    539,824.54/809,092.58 = 251,247.86/x
  3. Step 3: Cross multiply
    539,824.54x = 809,092.58 × 251,247.86
  4. Step 4: Simplify right side
    539,824.54x = 203,282,779,266.88
  5. Step 5: Solve for x
    x = 203,282,779,266.88/539,824.54
  6. Step 6: Final answer
    x = 376,571.95

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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.