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Finding the Fourth Proportional to 299,834.66, 451,774.94 and 247,694.70

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Solution

The fourth proportional to 299,834.66, 451,774.94 and 247,694.70 is: 373,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,834.66 : 451,774.94 = 247,694.70 : x
  2. Step 2: Convert to fraction form
    299,834.66/451,774.94 = 247,694.70/x
  3. Step 3: Cross multiply
    299,834.66x = 451,774.94 × 247,694.70
  4. Step 4: Simplify right side
    299,834.66x = 111,902,259,615.36
  5. Step 5: Solve for x
    x = 111,902,259,615.36/299,834.66
  6. Step 6: Final answer
    x = 373,213.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.