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Finding the Fourth Proportional to 394,362.99, 591,644.27 and 110,053.51

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Solution

The fourth proportional to 394,362.99, 591,644.27 and 110,053.51 is: 165,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,362.99 : 591,644.27 = 110,053.51 : x
  2. Step 2: Convert to fraction form
    394,362.99/591,644.27 = 110,053.51/x
  3. Step 3: Cross multiply
    394,362.99x = 591,644.27 × 110,053.51
  4. Step 4: Simplify right side
    394,362.99x = 65,112,527,380.91
  5. Step 5: Solve for x
    x = 65,112,527,380.91/394,362.99
  6. Step 6: Final answer
    x = 165,108.11

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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.