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Finding the Fourth Proportional to 376,179.96, 519,121.26 and 206,412.60

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Solution

The fourth proportional to 376,179.96, 519,121.26 and 206,412.60 is: 284,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,179.96 : 519,121.26 = 206,412.60 : x
  2. Step 2: Convert to fraction form
    376,179.96/519,121.26 = 206,412.60/x
  3. Step 3: Cross multiply
    376,179.96x = 519,121.26 × 206,412.60
  4. Step 4: Simplify right side
    376,179.96x = 107,153,168,991.88
  5. Step 5: Solve for x
    x = 107,153,168,991.88/376,179.96
  6. Step 6: Final answer
    x = 284,845.50

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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.