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Finding the Fourth Proportional to 331,067.60, 496,806.60 and 173,409.20

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Solution

The fourth proportional to 331,067.60, 496,806.60 and 173,409.20 is: 260,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,067.60 : 496,806.60 = 173,409.20 : x
  2. Step 2: Convert to fraction form
    331,067.60/496,806.60 = 173,409.20/x
  3. Step 3: Cross multiply
    331,067.60x = 496,806.60 × 173,409.20
  4. Step 4: Simplify right side
    331,067.60x = 86,150,835,060.72
  5. Step 5: Solve for x
    x = 86,150,835,060.72/331,067.60
  6. Step 6: Final answer
    x = 260,221.28

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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.