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Finding the Fourth Proportional to 504,847.90, 696,692.09 and 275,410.09

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Solution

The fourth proportional to 504,847.90, 696,692.09 and 275,410.09 is: 380,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,847.90 : 696,692.09 = 275,410.09 : x
  2. Step 2: Convert to fraction form
    504,847.90/696,692.09 = 275,410.09/x
  3. Step 3: Cross multiply
    504,847.90x = 696,692.09 × 275,410.09
  4. Step 4: Simplify right side
    504,847.90x = 191,876,026,348.68
  5. Step 5: Solve for x
    x = 191,876,026,348.68/504,847.90
  6. Step 6: Final answer
    x = 380,067.00

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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.