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Finding the Fourth Proportional to 331,625.92, 457,513.85 and 204,080.08

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Solution

The fourth proportional to 331,625.92, 457,513.85 and 204,080.08 is: 281,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,625.92 : 457,513.85 = 204,080.08 : x
  2. Step 2: Convert to fraction form
    331,625.92/457,513.85 = 204,080.08/x
  3. Step 3: Cross multiply
    331,625.92x = 457,513.85 × 204,080.08
  4. Step 4: Simplify right side
    331,625.92x = 93,369,463,333.36
  5. Step 5: Solve for x
    x = 93,369,463,333.36/331,625.92
  6. Step 6: Final answer
    x = 281,550.56

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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.