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Finding the Fourth Proportional to 297,363.02, 410,361.42 and 161,397.02

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Solution

The fourth proportional to 297,363.02, 410,361.42 and 161,397.02 is: 222,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,363.02 : 410,361.42 = 161,397.02 : x
  2. Step 2: Convert to fraction form
    297,363.02/410,361.42 = 161,397.02/x
  3. Step 3: Cross multiply
    297,363.02x = 410,361.42 × 161,397.02
  4. Step 4: Simplify right side
    297,363.02x = 66,231,111,172.68
  5. Step 5: Solve for x
    x = 66,231,111,172.68/297,363.02
  6. Step 6: Final answer
    x = 222,728.13

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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.