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Finding the Fourth Proportional to 550,444.01, 825,722.69 and 190,614.17

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Solution

The fourth proportional to 550,444.01, 825,722.69 and 190,614.17 is: 285,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,444.01 : 825,722.69 = 190,614.17 : x
  2. Step 2: Convert to fraction form
    550,444.01/825,722.69 = 190,614.17/x
  3. Step 3: Cross multiply
    550,444.01x = 825,722.69 × 190,614.17
  4. Step 4: Simplify right side
    550,444.01x = 157,394,441,552.44
  5. Step 5: Solve for x
    x = 157,394,441,552.44/550,444.01
  6. Step 6: Final answer
    x = 285,940.87

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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.