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Finding the Fourth Proportional to 341,773.21, 512,213.91 and 247,321.54

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Solution

The fourth proportional to 341,773.21, 512,213.91 and 247,321.54 is: 370,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,773.21 : 512,213.91 = 247,321.54 : x
  2. Step 2: Convert to fraction form
    341,773.21/512,213.91 = 247,321.54/x
  3. Step 3: Cross multiply
    341,773.21x = 512,213.91 × 247,321.54
  4. Step 4: Simplify right side
    341,773.21x = 126,681,533,030.62
  5. Step 5: Solve for x
    x = 126,681,533,030.62/341,773.21
  6. Step 6: Final answer
    x = 370,659.63

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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.