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Finding the Fourth Proportional to 270,732.58, 405,654.99 and 191,704.93

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Solution

The fourth proportional to 270,732.58, 405,654.99 and 191,704.93 is: 287,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,732.58 : 405,654.99 = 191,704.93 : x
  2. Step 2: Convert to fraction form
    270,732.58/405,654.99 = 191,704.93/x
  3. Step 3: Cross multiply
    270,732.58x = 405,654.99 × 191,704.93
  4. Step 4: Simplify right side
    270,732.58x = 77,766,061,462.10
  5. Step 5: Solve for x
    x = 77,766,061,462.10/270,732.58
  6. Step 6: Final answer
    x = 287,243.08

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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.