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Finding the Fourth Proportional to 339,394.93, 509,093.61 and 114,757.23

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Solution

The fourth proportional to 339,394.93, 509,093.61 and 114,757.23 is: 172,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,394.93 : 509,093.61 = 114,757.23 : x
  2. Step 2: Convert to fraction form
    339,394.93/509,093.61 = 114,757.23/x
  3. Step 3: Cross multiply
    339,394.93x = 509,093.61 × 114,757.23
  4. Step 4: Simplify right side
    339,394.93x = 58,422,172,494.30
  5. Step 5: Solve for x
    x = 58,422,172,494.30/339,394.93
  6. Step 6: Final answer
    x = 172,136.26

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1.5x scale

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.