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Finding the Fourth Proportional to 504,198.40, 756,246.40 and 171,769.60

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Solution

The fourth proportional to 504,198.40, 756,246.40 and 171,769.60 is: 257,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,198.40 : 756,246.40 = 171,769.60 : x
  2. Step 2: Convert to fraction form
    504,198.40/756,246.40 = 171,769.60/x
  3. Step 3: Cross multiply
    504,198.40x = 756,246.40 × 171,769.60
  4. Step 4: Simplify right side
    504,198.40x = 129,900,141,629.44
  5. Step 5: Solve for x
    x = 129,900,141,629.44/504,198.40
  6. Step 6: Final answer
    x = 257,636.96

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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.