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Finding the Fourth Proportional to 351,369.92, 484,959.20 and 274,737.44

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Solution

The fourth proportional to 351,369.92, 484,959.20 and 274,737.44 is: 379,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,369.92 : 484,959.20 = 274,737.44 : x
  2. Step 2: Convert to fraction form
    351,369.92/484,959.20 = 274,737.44/x
  3. Step 3: Cross multiply
    351,369.92x = 484,959.20 × 274,737.44
  4. Step 4: Simplify right side
    351,369.92x = 133,236,449,112.45
  5. Step 5: Solve for x
    x = 133,236,449,112.45/351,369.92
  6. Step 6: Final answer
    x = 379,191.39

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1.5x scale

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.