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Finding the Fourth Proportional to 404,101.60, 606,519.60 and 204,560.80

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Solution

The fourth proportional to 404,101.60, 606,519.60 and 204,560.80 is: 307,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,101.60 : 606,519.60 = 204,560.80 : x
  2. Step 2: Convert to fraction form
    404,101.60/606,519.60 = 204,560.80/x
  3. Step 3: Cross multiply
    404,101.60x = 606,519.60 × 204,560.80
  4. Step 4: Simplify right side
    404,101.60x = 124,070,134,591.68
  5. Step 5: Solve for x
    x = 124,070,134,591.68/404,101.60
  6. Step 6: Final answer
    x = 307,027.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.