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Finding the Fourth Proportional to 883,912.07, 1,219,798.83 and 481,504.07

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Solution

The fourth proportional to 883,912.07, 1,219,798.83 and 481,504.07 is: 664,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,912.07 : 1,219,798.83 = 481,504.07 : x
  2. Step 2: Convert to fraction form
    883,912.07/1,219,798.83 = 481,504.07/x
  3. Step 3: Cross multiply
    883,912.07x = 1,219,798.83 × 481,504.07
  4. Step 4: Simplify right side
    883,912.07x = 587,338,101,226.24
  5. Step 5: Solve for x
    x = 587,338,101,226.24/883,912.07
  6. Step 6: Final answer
    x = 664,475.71

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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.