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Finding the Fourth Proportional to 376,027.50, 518,917.95 and 206,262.03

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Solution

The fourth proportional to 376,027.50, 518,917.95 and 206,262.03 is: 284,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,027.50 : 518,917.95 = 206,262.03 : x
  2. Step 2: Convert to fraction form
    376,027.50/518,917.95 = 206,262.03/x
  3. Step 3: Cross multiply
    376,027.50x = 518,917.95 × 206,262.03
  4. Step 4: Simplify right side
    376,027.50x = 107,033,069,770.44
  5. Step 5: Solve for x
    x = 107,033,069,770.44/376,027.50
  6. Step 6: Final answer
    x = 284,641.60

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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.