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Finding the Fourth Proportional to 376,588.22, 519,695.84 and 206,822.35

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Solution

The fourth proportional to 376,588.22, 519,695.84 and 206,822.35 is: 285,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,588.22 : 519,695.84 = 206,822.35 : x
  2. Step 2: Convert to fraction form
    376,588.22/519,695.84 = 206,822.35/x
  3. Step 3: Cross multiply
    376,588.22x = 519,695.84 × 206,822.35
  4. Step 4: Simplify right side
    376,588.22x = 107,484,714,131.84
  5. Step 5: Solve for x
    x = 107,484,714,131.84/376,588.22
  6. Step 6: Final answer
    x = 285,417.09

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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.