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Finding the Fourth Proportional to 550,472.22, 825,510.18 and 190,545.27

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Solution

The fourth proportional to 550,472.22, 825,510.18 and 190,545.27 is: 285,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,472.22 : 825,510.18 = 190,545.27 : x
  2. Step 2: Convert to fraction form
    550,472.22/825,510.18 = 190,545.27/x
  3. Step 3: Cross multiply
    550,472.22x = 825,510.18 × 190,545.27
  4. Step 4: Simplify right side
    550,472.22x = 157,297,060,135.85
  5. Step 5: Solve for x
    x = 157,297,060,135.85/550,472.22
  6. Step 6: Final answer
    x = 285,749.32

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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.