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Finding the Fourth Proportional to 545,851.75, 818,902.26 and 166,826.44

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Solution

The fourth proportional to 545,851.75, 818,902.26 and 166,826.44 is: 250,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,851.75 : 818,902.26 = 166,826.44 : x
  2. Step 2: Convert to fraction form
    545,851.75/818,902.26 = 166,826.44/x
  3. Step 3: Cross multiply
    545,851.75x = 818,902.26 × 166,826.44
  4. Step 4: Simplify right side
    545,851.75x = 136,614,548,743.75
  5. Step 5: Solve for x
    x = 136,614,548,743.75/545,851.75
  6. Step 6: Final answer
    x = 250,277.75

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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.