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Finding the Fourth Proportional to 539,790.44, 744,905.96 and 298,067.80

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Solution

The fourth proportional to 539,790.44, 744,905.96 and 298,067.80 is: 411,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,790.44 : 744,905.96 = 298,067.80 : x
  2. Step 2: Convert to fraction form
    539,790.44/744,905.96 = 298,067.80/x
  3. Step 3: Cross multiply
    539,790.44x = 744,905.96 × 298,067.80
  4. Step 4: Simplify right side
    539,790.44x = 222,032,480,704.09
  5. Step 5: Solve for x
    x = 222,032,480,704.09/539,790.44
  6. Step 6: Final answer
    x = 411,330.89

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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.