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Finding the Fourth Proportional to 626,967.26, 940,486.43 and 200,540.53

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Solution

The fourth proportional to 626,967.26, 940,486.43 and 200,540.53 is: 300,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,967.26 : 940,486.43 = 200,540.53 : x
  2. Step 2: Convert to fraction form
    626,967.26/940,486.43 = 200,540.53/x
  3. Step 3: Cross multiply
    626,967.26x = 940,486.43 × 200,540.53
  4. Step 4: Simplify right side
    626,967.26x = 188,605,647,130.01
  5. Step 5: Solve for x
    x = 188,605,647,130.01/626,967.26
  6. Step 6: Final answer
    x = 300,822.16

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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.