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Finding the Fourth Proportional to 284,996.76, 393,361.26 and 188,219.82

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Solution

The fourth proportional to 284,996.76, 393,361.26 and 188,219.82 is: 259,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,996.76 : 393,361.26 = 188,219.82 : x
  2. Step 2: Convert to fraction form
    284,996.76/393,361.26 = 188,219.82/x
  3. Step 3: Cross multiply
    284,996.76x = 393,361.26 × 188,219.82
  4. Step 4: Simplify right side
    284,996.76x = 74,038,385,552.17
  5. Step 5: Solve for x
    x = 74,038,385,552.17/284,996.76
  6. Step 6: Final answer
    x = 259,786.76

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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.