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Finding the Fourth Proportional to 519,509.57, 779,308.77 and 182,520.95

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Solution

The fourth proportional to 519,509.57, 779,308.77 and 182,520.95 is: 273,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,509.57 : 779,308.77 = 182,520.95 : x
  2. Step 2: Convert to fraction form
    519,509.57/779,308.77 = 182,520.95/x
  3. Step 3: Cross multiply
    519,509.57x = 779,308.77 × 182,520.95
  4. Step 4: Simplify right side
    519,509.57x = 142,240,177,043.73
  5. Step 5: Solve for x
    x = 142,240,177,043.73/519,509.57
  6. Step 6: Final answer
    x = 273,797.03

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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.