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Finding the Fourth Proportional to 376,671.10, 519,954.23 and 225,738.94

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Solution

The fourth proportional to 376,671.10, 519,954.23 and 225,738.94 is: 311,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,671.10 : 519,954.23 = 225,738.94 : x
  2. Step 2: Convert to fraction form
    376,671.10/519,954.23 = 225,738.94/x
  3. Step 3: Cross multiply
    376,671.10x = 519,954.23 × 225,738.94
  4. Step 4: Simplify right side
    376,671.10x = 117,373,916,728.72
  5. Step 5: Solve for x
    x = 117,373,916,728.72/376,671.10
  6. Step 6: Final answer
    x = 311,608.50

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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.