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Finding the Fourth Proportional to 1,747,796.22, 2,621,835.81 and 485,623.98

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Solution

The fourth proportional to 1,747,796.22, 2,621,835.81 and 485,623.98 is: 728,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,796.22 : 2,621,835.81 = 485,623.98 : x
  2. Step 2: Convert to fraction form
    1,747,796.22/2,621,835.81 = 485,623.98/x
  3. Step 3: Cross multiply
    1,747,796.22x = 2,621,835.81 × 485,623.98
  4. Step 4: Simplify right side
    1,747,796.22x = 1,273,226,340,958.72
  5. Step 5: Solve for x
    x = 1,273,226,340,958.72/1,747,796.22
  6. Step 6: Final answer
    x = 728,475.28

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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.