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Finding the Fourth Proportional to 548,651.67, 822,894.34 and 149,323.56

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Solution

The fourth proportional to 548,651.67, 822,894.34 and 149,323.56 is: 223,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,651.67 : 822,894.34 = 149,323.56 : x
  2. Step 2: Convert to fraction form
    548,651.67/822,894.34 = 149,323.56/x
  3. Step 3: Cross multiply
    548,651.67x = 822,894.34 × 149,323.56
  4. Step 4: Simplify right side
    548,651.67x = 122,877,512,352.65
  5. Step 5: Solve for x
    x = 122,877,512,352.65/548,651.67
  6. Step 6: Final answer
    x = 223,962.71

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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.