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Finding the Fourth Proportional to 376,565.33, 519,669.20 and 206,803.10

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Solution

The fourth proportional to 376,565.33, 519,669.20 and 206,803.10 is: 285,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,565.33 : 519,669.20 = 206,803.10 : x
  2. Step 2: Convert to fraction form
    376,565.33/519,669.20 = 206,803.10/x
  3. Step 3: Cross multiply
    376,565.33x = 519,669.20 × 206,803.10
  4. Step 4: Simplify right side
    376,565.33x = 107,469,200,500.51
  5. Step 5: Solve for x
    x = 107,469,200,500.51/376,565.33
  6. Step 6: Final answer
    x = 285,393.24

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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.