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Finding the Fourth Proportional to 376,565.58, 519,669.54 and 206,803.35

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Solution

The fourth proportional to 376,565.58, 519,669.54 and 206,803.35 is: 285,393.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,565.58 : 519,669.54 = 206,803.35 : x
  2. Step 2: Convert to fraction form
    376,565.58/519,669.54 = 206,803.35/x
  3. Step 3: Cross multiply
    376,565.58x = 519,669.54 × 206,803.35
  4. Step 4: Simplify right side
    376,565.58x = 107,469,401,764.96
  5. Step 5: Solve for x
    x = 107,469,401,764.96/376,565.58
  6. Step 6: Final answer
    x = 285,393.59

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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.