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Finding the Fourth Proportional to 353,072.60, 529,835.70 and 195,414.20

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Solution

The fourth proportional to 353,072.60, 529,835.70 and 195,414.20 is: 293,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,072.60 : 529,835.70 = 195,414.20 : x
  2. Step 2: Convert to fraction form
    353,072.60/529,835.70 = 195,414.20/x
  3. Step 3: Cross multiply
    353,072.60x = 529,835.70 × 195,414.20
  4. Step 4: Simplify right side
    353,072.60x = 103,537,419,446.94
  5. Step 5: Solve for x
    x = 103,537,419,446.94/353,072.60
  6. Step 6: Final answer
    x = 293,246.83

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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.