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Finding the Fourth Proportional to 806,896.89, 1,113,525.83 and 444,354.46

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Solution

The fourth proportional to 806,896.89, 1,113,525.83 and 444,354.46 is: 613,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,896.89 : 1,113,525.83 = 444,354.46 : x
  2. Step 2: Convert to fraction form
    806,896.89/1,113,525.83 = 444,354.46/x
  3. Step 3: Cross multiply
    806,896.89x = 1,113,525.83 × 444,354.46
  4. Step 4: Simplify right side
    806,896.89x = 494,800,167,212.77
  5. Step 5: Solve for x
    x = 494,800,167,212.77/806,896.89
  6. Step 6: Final answer
    x = 613,213.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.