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Finding the Fourth Proportional to 545,847.75, 818,896.26 and 166,822.43

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Solution

The fourth proportional to 545,847.75, 818,896.26 and 166,822.43 is: 250,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,847.75 : 818,896.26 = 166,822.43 : x
  2. Step 2: Convert to fraction form
    545,847.75/818,896.26 = 166,822.43/x
  3. Step 3: Cross multiply
    545,847.75x = 818,896.26 × 166,822.43
  4. Step 4: Simplify right side
    545,847.75x = 136,610,259,916.63
  5. Step 5: Solve for x
    x = 136,610,259,916.63/545,847.75
  6. Step 6: Final answer
    x = 250,271.73

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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.