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Finding the Fourth Proportional to 351,182.98, 484,631.94 and 198,253.36

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Solution

The fourth proportional to 351,182.98, 484,631.94 and 198,253.36 is: 273,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,182.98 : 484,631.94 = 198,253.36 : x
  2. Step 2: Convert to fraction form
    351,182.98/484,631.94 = 198,253.36/x
  3. Step 3: Cross multiply
    351,182.98x = 484,631.94 × 198,253.36
  4. Step 4: Simplify right side
    351,182.98x = 96,079,910,468.32
  5. Step 5: Solve for x
    x = 96,079,910,468.32/351,182.98
  6. Step 6: Final answer
    x = 273,589.31

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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.