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Finding the Fourth Proportional to 324,950.88, 486,104.40 and 274,717.92

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Solution

The fourth proportional to 324,950.88, 486,104.40 and 274,717.92 is: 410,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,950.88 : 486,104.40 = 274,717.92 : x
  2. Step 2: Convert to fraction form
    324,950.88/486,104.40 = 274,717.92/x
  3. Step 3: Cross multiply
    324,950.88x = 486,104.40 × 274,717.92
  4. Step 4: Simplify right side
    324,950.88x = 133,541,589,670.85
  5. Step 5: Solve for x
    x = 133,541,589,670.85/324,950.88
  6. Step 6: Final answer
    x = 410,959.31

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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.