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Finding the Fourth Proportional to 567,121.49, 850,660.23 and 140,658.38

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Solution

The fourth proportional to 567,121.49, 850,660.23 and 140,658.38 is: 210,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,121.49 : 850,660.23 = 140,658.38 : x
  2. Step 2: Convert to fraction form
    567,121.49/850,660.23 = 140,658.38/x
  3. Step 3: Cross multiply
    567,121.49x = 850,660.23 × 140,658.38
  4. Step 4: Simplify right side
    567,121.49x = 119,652,488,291.43
  5. Step 5: Solve for x
    x = 119,652,488,291.43/567,121.49
  6. Step 6: Final answer
    x = 210,982.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.