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Finding the Fourth Proportional to 454,382.30, 627,039.34 and 247,652.48

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Solution

The fourth proportional to 454,382.30, 627,039.34 and 247,652.48 is: 341,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,382.30 : 627,039.34 = 247,652.48 : x
  2. Step 2: Convert to fraction form
    454,382.30/627,039.34 = 247,652.48/x
  3. Step 3: Cross multiply
    454,382.30x = 627,039.34 × 247,652.48
  4. Step 4: Simplify right side
    454,382.30x = 155,287,847,608.56
  5. Step 5: Solve for x
    x = 155,287,847,608.56/454,382.30
  6. Step 6: Final answer
    x = 341,755.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.