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Finding the Fourth Proportional to 324,894.50, 487,238.10 and 111,610.98

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Solution

The fourth proportional to 324,894.50, 487,238.10 and 111,610.98 is: 167,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,894.50 : 487,238.10 = 111,610.98 : x
  2. Step 2: Convert to fraction form
    324,894.50/487,238.10 = 111,610.98/x
  3. Step 3: Cross multiply
    324,894.50x = 487,238.10 × 111,610.98
  4. Step 4: Simplify right side
    324,894.50x = 54,381,121,834.34
  5. Step 5: Solve for x
    x = 54,381,121,834.34/324,894.50
  6. Step 6: Final answer
    x = 167,380.87

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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.