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Finding the Fourth Proportional to 654,804.25, 903,581.01 and 368,268.97

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Solution

The fourth proportional to 654,804.25, 903,581.01 and 368,268.97 is: 508,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,804.25 : 903,581.01 = 368,268.97 : x
  2. Step 2: Convert to fraction form
    654,804.25/903,581.01 = 368,268.97/x
  3. Step 3: Cross multiply
    654,804.25x = 903,581.01 × 368,268.97
  4. Step 4: Simplify right side
    654,804.25x = 332,760,849,202.54
  5. Step 5: Solve for x
    x = 332,760,849,202.54/654,804.25
  6. Step 6: Final answer
    x = 508,183.71

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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.