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Finding the Fourth Proportional to 1,373,274, 2,060,478 and 741,443.76

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Solution

The fourth proportional to 1,373,274, 2,060,478 and 741,443.76 is: 1,112,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,274 : 2,060,478 = 741,443.76 : x
  2. Step 2: Convert to fraction form
    1,373,274/2,060,478 = 741,443.76/x
  3. Step 3: Cross multiply
    1,373,274x = 2,060,478 × 741,443.76
  4. Step 4: Simplify right side
    1,373,274x = 1,527,728,555,717.28
  5. Step 5: Solve for x
    x = 1,527,728,555,717.28/1,373,274
  6. Step 6: Final answer
    x = 1,112,471.77

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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.