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Finding the Fourth Proportional to 324,610.99, 486,923.40 and 111,377.98

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Solution

The fourth proportional to 324,610.99, 486,923.40 and 111,377.98 is: 167,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,610.99 : 486,923.40 = 111,377.98 : x
  2. Step 2: Convert to fraction form
    324,610.99/486,923.40 = 111,377.98/x
  3. Step 3: Cross multiply
    324,610.99x = 486,923.40 × 111,377.98
  4. Step 4: Simplify right side
    324,610.99x = 54,232,544,706.73
  5. Step 5: Solve for x
    x = 54,232,544,706.73/324,610.99
  6. Step 6: Final answer
    x = 167,069.34

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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.