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Finding the Fourth Proportional to 376,323.03, 519,325.02 and 206,553.51

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Solution

The fourth proportional to 376,323.03, 519,325.02 and 206,553.51 is: 285,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,323.03 : 519,325.02 = 206,553.51 : x
  2. Step 2: Convert to fraction form
    376,323.03/519,325.02 = 206,553.51/x
  3. Step 3: Cross multiply
    376,323.03x = 519,325.02 × 206,553.51
  4. Step 4: Simplify right side
    376,323.03x = 107,268,405,711.82
  5. Step 5: Solve for x
    x = 107,268,405,711.82/376,323.03
  6. Step 6: Final answer
    x = 285,043.43

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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.