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Finding the Fourth Proportional to 626,668.42, 940,137.60 and 200,104

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Solution

The fourth proportional to 626,668.42, 940,137.60 and 200,104 is: 300,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,668.42 : 940,137.60 = 200,104 : x
  2. Step 2: Convert to fraction form
    626,668.42/940,137.60 = 200,104/x
  3. Step 3: Cross multiply
    626,668.42x = 940,137.60 × 200,104
  4. Step 4: Simplify right side
    626,668.42x = 188,125,294,310.40
  5. Step 5: Solve for x
    x = 188,125,294,310.40/626,668.42
  6. Step 6: Final answer
    x = 300,199.10

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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.