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Finding the Fourth Proportional to 463,834.26, 695,850.69 and 143,979.12

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Solution

The fourth proportional to 463,834.26, 695,850.69 and 143,979.12 is: 215,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,834.26 : 695,850.69 = 143,979.12 : x
  2. Step 2: Convert to fraction form
    463,834.26/695,850.69 = 143,979.12/x
  3. Step 3: Cross multiply
    463,834.26x = 695,850.69 × 143,979.12
  4. Step 4: Simplify right side
    463,834.26x = 100,187,969,997.59
  5. Step 5: Solve for x
    x = 100,187,969,997.59/463,834.26
  6. Step 6: Final answer
    x = 215,999.50

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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.