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Finding the Fourth Proportional to 528,067.20, 792,295.20 and 173,092.80

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Solution

The fourth proportional to 528,067.20, 792,295.20 and 173,092.80 is: 259,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,067.20 : 792,295.20 = 173,092.80 : x
  2. Step 2: Convert to fraction form
    528,067.20/792,295.20 = 173,092.80/x
  3. Step 3: Cross multiply
    528,067.20x = 792,295.20 × 173,092.80
  4. Step 4: Simplify right side
    528,067.20x = 137,140,594,594.56
  5. Step 5: Solve for x
    x = 137,140,594,594.56/528,067.20
  6. Step 6: Final answer
    x = 259,702.92

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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.