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Finding the Fourth Proportional to 1,969,608.70, 2,954,671.43 and 771,375.32

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Solution

The fourth proportional to 1,969,608.70, 2,954,671.43 and 771,375.32 is: 1,157,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,608.70 : 2,954,671.43 = 771,375.32 : x
  2. Step 2: Convert to fraction form
    1,969,608.70/2,954,671.43 = 771,375.32/x
  3. Step 3: Cross multiply
    1,969,608.70x = 2,954,671.43 × 771,375.32
  4. Step 4: Simplify right side
    1,969,608.70x = 2,279,160,611,585.35
  5. Step 5: Solve for x
    x = 2,279,160,611,585.35/1,969,608.70
  6. Step 6: Final answer
    x = 1,157,164.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.