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Finding the Fourth Proportional to 1,749,679.56, 2,414,566.26 and 985,745.16

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Solution

The fourth proportional to 1,749,679.56, 2,414,566.26 and 985,745.16 is: 1,360,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,679.56 : 2,414,566.26 = 985,745.16 : x
  2. Step 2: Convert to fraction form
    1,749,679.56/2,414,566.26 = 985,745.16/x
  3. Step 3: Cross multiply
    1,749,679.56x = 2,414,566.26 × 985,745.16
  4. Step 4: Simplify right side
    1,749,679.56x = 2,380,147,004,294.30
  5. Step 5: Solve for x
    x = 2,380,147,004,294.30/1,749,679.56
  6. Step 6: Final answer
    x = 1,360,333.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.