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Finding the Fourth Proportional to 351,668.44, 485,302.56 and 190,524.60

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Solution

The fourth proportional to 351,668.44, 485,302.56 and 190,524.60 is: 262,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,668.44 : 485,302.56 = 190,524.60 : x
  2. Step 2: Convert to fraction form
    351,668.44/485,302.56 = 190,524.60/x
  3. Step 3: Cross multiply
    351,668.44x = 485,302.56 × 190,524.60
  4. Step 4: Simplify right side
    351,668.44x = 92,462,076,122.98
  5. Step 5: Solve for x
    x = 92,462,076,122.98/351,668.44
  6. Step 6: Final answer
    x = 262,924.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.