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Finding the Fourth Proportional to 682,745.34, 941,655.92 and 437,753.50

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Solution

The fourth proportional to 682,745.34, 941,655.92 and 437,753.50 is: 603,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,745.34 : 941,655.92 = 437,753.50 : x
  2. Step 2: Convert to fraction form
    682,745.34/941,655.92 = 437,753.50/x
  3. Step 3: Cross multiply
    682,745.34x = 941,655.92 × 437,753.50
  4. Step 4: Simplify right side
    682,745.34x = 412,213,174,775.72
  5. Step 5: Solve for x
    x = 412,213,174,775.72/682,745.34
  6. Step 6: Final answer
    x = 603,758.31

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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.