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Finding the Fourth Proportional to 331,295.84, 457,175.81 and 202,449.77

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Solution

The fourth proportional to 331,295.84, 457,175.81 and 202,449.77 is: 279,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,295.84 : 457,175.81 = 202,449.77 : x
  2. Step 2: Convert to fraction form
    331,295.84/457,175.81 = 202,449.77/x
  3. Step 3: Cross multiply
    331,295.84x = 457,175.81 × 202,449.77
  4. Step 4: Simplify right side
    331,295.84x = 92,555,134,285.94
  5. Step 5: Solve for x
    x = 92,555,134,285.94/331,295.84
  6. Step 6: Final answer
    x = 279,373.06

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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.