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Finding the Fourth Proportional to 1,846.83, 2,770.70 and 548.30

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Solution

The fourth proportional to 1,846.83, 2,770.70 and 548.30 is: 822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.83 : 2,770.70 = 548.30 : x
  2. Step 2: Convert to fraction form
    1,846.83/2,770.70 = 548.30/x
  3. Step 3: Cross multiply
    1,846.83x = 2,770.70 × 548.30
  4. Step 4: Simplify right side
    1,846.83x = 1,519,173.44
  5. Step 5: Solve for x
    x = 1,519,173.44/1,846.83
  6. Step 6: Final answer
    x = 822.58

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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.