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Finding the Fourth Proportional to 376,550.83, 519,643.52 and 206,786.17

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Solution

The fourth proportional to 376,550.83, 519,643.52 and 206,786.17 is: 285,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,550.83 : 519,643.52 = 206,786.17 : x
  2. Step 2: Convert to fraction form
    376,550.83/519,643.52 = 206,786.17/x
  3. Step 3: Cross multiply
    376,550.83x = 519,643.52 × 206,786.17
  4. Step 4: Simplify right side
    376,550.83x = 107,455,093,266.12
  5. Step 5: Solve for x
    x = 107,455,093,266.12/376,550.83
  6. Step 6: Final answer
    x = 285,366.77

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1.5x scale

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.