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Finding the Fourth Proportional to 297,340.74, 410,333.18 and 161,375.90

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Solution

The fourth proportional to 297,340.74, 410,333.18 and 161,375.90 is: 222,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,340.74 : 410,333.18 = 161,375.90 : x
  2. Step 2: Convert to fraction form
    297,340.74/410,333.18 = 161,375.90/x
  3. Step 3: Cross multiply
    297,340.74x = 410,333.18 × 161,375.90
  4. Step 4: Simplify right side
    297,340.74x = 66,217,883,363.82
  5. Step 5: Solve for x
    x = 66,217,883,363.82/297,340.74
  6. Step 6: Final answer
    x = 222,700.34

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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.