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Finding the Fourth Proportional to 433,224.15, 649,845.13 and 133,704.91

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Solution

The fourth proportional to 433,224.15, 649,845.13 and 133,704.91 is: 200,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,224.15 : 649,845.13 = 133,704.91 : x
  2. Step 2: Convert to fraction form
    433,224.15/649,845.13 = 133,704.91/x
  3. Step 3: Cross multiply
    433,224.15x = 649,845.13 × 133,704.91
  4. Step 4: Simplify right side
    433,224.15x = 86,887,484,620.59
  5. Step 5: Solve for x
    x = 86,887,484,620.59/433,224.15
  6. Step 6: Final answer
    x = 200,560.11

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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.