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Finding the Fourth Proportional to 572,481.75, 859,116.29 and 198,504.75

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Solution

The fourth proportional to 572,481.75, 859,116.29 and 198,504.75 is: 297,893.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,481.75 : 859,116.29 = 198,504.75 : x
  2. Step 2: Convert to fraction form
    572,481.75/859,116.29 = 198,504.75/x
  3. Step 3: Cross multiply
    572,481.75x = 859,116.29 × 198,504.75
  4. Step 4: Simplify right side
    572,481.75x = 170,538,664,367.38
  5. Step 5: Solve for x
    x = 170,538,664,367.38/572,481.75
  6. Step 6: Final answer
    x = 297,893.63

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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.