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Finding the Fourth Proportional to 1,890,885.06, 2,836,352.30 and 628,712.69

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Solution

The fourth proportional to 1,890,885.06, 2,836,352.30 and 628,712.69 is: 943,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,885.06 : 2,836,352.30 = 628,712.69 : x
  2. Step 2: Convert to fraction form
    1,890,885.06/2,836,352.30 = 628,712.69/x
  3. Step 3: Cross multiply
    1,890,885.06x = 2,836,352.30 × 628,712.69
  4. Step 4: Simplify right side
    1,890,885.06x = 1,783,250,677,229.81
  5. Step 5: Solve for x
    x = 1,783,250,677,229.81/1,890,885.06
  6. Step 6: Final answer
    x = 943,077.25

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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.