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Finding the Fourth Proportional to 297,368.85, 410,367.99 and 161,402.79

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Solution

The fourth proportional to 297,368.85, 410,367.99 and 161,402.79 is: 222,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,368.85 : 410,367.99 = 161,402.79 : x
  2. Step 2: Convert to fraction form
    297,368.85/410,367.99 = 161,402.79/x
  3. Step 3: Cross multiply
    297,368.85x = 410,367.99 × 161,402.79
  4. Step 4: Simplify right side
    297,368.85x = 66,234,539,942.12
  5. Step 5: Solve for x
    x = 66,234,539,942.12/297,368.85
  6. Step 6: Final answer
    x = 222,735.30

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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.