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Finding the Fourth Proportional to 1,890,899.84, 2,836,374.44 and 628,727.46

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Solution

The fourth proportional to 1,890,899.84, 2,836,374.44 and 628,727.46 is: 943,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,899.84 : 2,836,374.44 = 628,727.46 : x
  2. Step 2: Convert to fraction form
    1,890,899.84/2,836,374.44 = 628,727.46/x
  3. Step 3: Cross multiply
    1,890,899.84x = 2,836,374.44 × 628,727.46
  4. Step 4: Simplify right side
    1,890,899.84x = 1,783,306,494,126.49
  5. Step 5: Solve for x
    x = 1,783,306,494,126.49/1,890,899.84
  6. Step 6: Final answer
    x = 943,099.40

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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.