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Finding the Fourth Proportional to 338,571.36, 467,244 and 187,658.64

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Solution

The fourth proportional to 338,571.36, 467,244 and 187,658.64 is: 258,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,571.36 : 467,244 = 187,658.64 : x
  2. Step 2: Convert to fraction form
    338,571.36/467,244 = 187,658.64/x
  3. Step 3: Cross multiply
    338,571.36x = 467,244 × 187,658.64
  4. Step 4: Simplify right side
    338,571.36x = 87,682,373,588.16
  5. Step 5: Solve for x
    x = 87,682,373,588.16/338,571.36
  6. Step 6: Final answer
    x = 258,977.53

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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.