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Finding the Fourth Proportional to 2,795,941.96, 4,193,905.88 and 774,179.12

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Solution

The fourth proportional to 2,795,941.96, 4,193,905.88 and 774,179.12 is: 1,161,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795,941.96 : 4,193,905.88 = 774,179.12 : x
  2. Step 2: Convert to fraction form
    2,795,941.96/4,193,905.88 = 774,179.12/x
  3. Step 3: Cross multiply
    2,795,941.96x = 4,193,905.88 × 774,179.12
  4. Step 4: Simplify right side
    2,795,941.96x = 3,246,834,375,961.44
  5. Step 5: Solve for x
    x = 3,246,834,375,961.44/2,795,941.96
  6. Step 6: Final answer
    x = 1,161,266.73

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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.