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Finding the Fourth Proportional to 2,664,846.66, 3,997,978.14 and 843,243.95

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Solution

The fourth proportional to 2,664,846.66, 3,997,978.14 and 843,243.95 is: 1,265,090.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,846.66 : 3,997,978.14 = 843,243.95 : x
  2. Step 2: Convert to fraction form
    2,664,846.66/3,997,978.14 = 843,243.95/x
  3. Step 3: Cross multiply
    2,664,846.66x = 3,997,978.14 × 843,243.95
  4. Step 4: Simplify right side
    2,664,846.66x = 3,371,270,888,782.20
  5. Step 5: Solve for x
    x = 3,371,270,888,782.20/2,664,846.66
  6. Step 6: Final answer
    x = 1,265,090.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.