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Finding the Fourth Proportional to 483,745.89, 667,337.09 and 416,561.25

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Solution

The fourth proportional to 483,745.89, 667,337.09 and 416,561.25 is: 574,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,745.89 : 667,337.09 = 416,561.25 : x
  2. Step 2: Convert to fraction form
    483,745.89/667,337.09 = 416,561.25/x
  3. Step 3: Cross multiply
    483,745.89x = 667,337.09 × 416,561.25
  4. Step 4: Simplify right side
    483,745.89x = 277,986,770,298.96
  5. Step 5: Solve for x
    x = 277,986,770,298.96/483,745.89
  6. Step 6: Final answer
    x = 574,654.54

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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.