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Finding the Fourth Proportional to 329,607.63, 454,892.43 and 200,555.49

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Solution

The fourth proportional to 329,607.63, 454,892.43 and 200,555.49 is: 276,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,607.63 : 454,892.43 = 200,555.49 : x
  2. Step 2: Convert to fraction form
    329,607.63/454,892.43 = 200,555.49/x
  3. Step 3: Cross multiply
    329,607.63x = 454,892.43 × 200,555.49
  4. Step 4: Simplify right side
    329,607.63x = 91,231,174,195.94
  5. Step 5: Solve for x
    x = 91,231,174,195.94/329,607.63
  6. Step 6: Final answer
    x = 276,787.20

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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.