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Finding the Fourth Proportional to 455,520.24, 628,694.91 and 264,644.37

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Solution

The fourth proportional to 455,520.24, 628,694.91 and 264,644.37 is: 365,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,520.24 : 628,694.91 = 264,644.37 : x
  2. Step 2: Convert to fraction form
    455,520.24/628,694.91 = 264,644.37/x
  3. Step 3: Cross multiply
    455,520.24x = 628,694.91 × 264,644.37
  4. Step 4: Simplify right side
    455,520.24x = 166,380,568,379.16
  5. Step 5: Solve for x
    x = 166,380,568,379.16/455,520.24
  6. Step 6: Final answer
    x = 365,253.95

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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.