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Finding the Fourth Proportional to 603,067.49, 908,935.99 and 519,832.25

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Solution

The fourth proportional to 603,067.49, 908,935.99 and 519,832.25 is: 783,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,067.49 : 908,935.99 = 519,832.25 : x
  2. Step 2: Convert to fraction form
    603,067.49/908,935.99 = 519,832.25/x
  3. Step 3: Cross multiply
    603,067.49x = 908,935.99 × 519,832.25
  4. Step 4: Simplify right side
    603,067.49x = 472,494,240,787.68
  5. Step 5: Solve for x
    x = 472,494,240,787.68/603,067.49
  6. Step 6: Final answer
    x = 783,484.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.