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Finding the Fourth Proportional to 266,227.39, 367,408.74 and 145,379.94

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Solution

The fourth proportional to 266,227.39, 367,408.74 and 145,379.94 is: 200,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,227.39 : 367,408.74 = 145,379.94 : x
  2. Step 2: Convert to fraction form
    266,227.39/367,408.74 = 145,379.94/x
  3. Step 3: Cross multiply
    266,227.39x = 367,408.74 × 145,379.94
  4. Step 4: Simplify right side
    266,227.39x = 53,413,860,576.68
  5. Step 5: Solve for x
    x = 53,413,860,576.68/266,227.39
  6. Step 6: Final answer
    x = 200,632.48

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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.