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Finding the Fourth Proportional to 605,745.41, 835,932 and 347,601.84

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Solution

The fourth proportional to 605,745.41, 835,932 and 347,601.84 is: 479,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,745.41 : 835,932 = 347,601.84 : x
  2. Step 2: Convert to fraction form
    605,745.41/835,932 = 347,601.84/x
  3. Step 3: Cross multiply
    605,745.41x = 835,932 × 347,601.84
  4. Step 4: Simplify right side
    605,745.41x = 290,571,501,314.88
  5. Step 5: Solve for x
    x = 290,571,501,314.88/605,745.41
  6. Step 6: Final answer
    x = 479,692.46

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1.5x scale

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.