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Finding the Fourth Proportional to 1,855,793, 2,783,689.50 and 454,961

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Solution

The fourth proportional to 1,855,793, 2,783,689.50 and 454,961 is: 682,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,793 : 2,783,689.50 = 454,961 : x
  2. Step 2: Convert to fraction form
    1,855,793/2,783,689.50 = 454,961/x
  3. Step 3: Cross multiply
    1,855,793x = 2,783,689.50 × 454,961
  4. Step 4: Simplify right side
    1,855,793x = 1,266,470,158,609.50
  5. Step 5: Solve for x
    x = 1,266,470,158,609.50/1,855,793
  6. Step 6: Final answer
    x = 682,441.50

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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.