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Finding the Fourth Proportional to 567,155.13, 850,982.91 and 300,850.38

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Solution

The fourth proportional to 567,155.13, 850,982.91 and 300,850.38 is: 451,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,155.13 : 850,982.91 = 300,850.38 : x
  2. Step 2: Convert to fraction form
    567,155.13/850,982.91 = 300,850.38/x
  3. Step 3: Cross multiply
    567,155.13x = 850,982.91 × 300,850.38
  4. Step 4: Simplify right side
    567,155.13x = 256,018,531,847.01
  5. Step 5: Solve for x
    x = 256,018,531,847.01/567,155.13
  6. Step 6: Final answer
    x = 451,408.30

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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.