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Finding the Fourth Proportional to 604,067.67, 905,535.62 and 204,428.66

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Solution

The fourth proportional to 604,067.67, 905,535.62 and 204,428.66 is: 306,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,067.67 : 905,535.62 = 204,428.66 : x
  2. Step 2: Convert to fraction form
    604,067.67/905,535.62 = 204,428.66/x
  3. Step 3: Cross multiply
    604,067.67x = 905,535.62 × 204,428.66
  4. Step 4: Simplify right side
    604,067.67x = 185,117,427,829.05
  5. Step 5: Solve for x
    x = 185,117,427,829.05/604,067.67
  6. Step 6: Final answer
    x = 306,451.47

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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.