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Finding the Fourth Proportional to 294,553.41, 441,797.03 and 81,351.64

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Solution

The fourth proportional to 294,553.41, 441,797.03 and 81,351.64 is: 122,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,553.41 : 441,797.03 = 81,351.64 : x
  2. Step 2: Convert to fraction form
    294,553.41/441,797.03 = 81,351.64/x
  3. Step 3: Cross multiply
    294,553.41x = 441,797.03 × 81,351.64
  4. Step 4: Simplify right side
    294,553.41x = 35,940,911,426.38
  5. Step 5: Solve for x
    x = 35,940,911,426.38/294,553.41
  6. Step 6: Final answer
    x = 122,018.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.