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Finding the Fourth Proportional to 351,343.91, 484,854.05 and 190,198.94

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Solution

The fourth proportional to 351,343.91, 484,854.05 and 190,198.94 is: 262,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,343.91 : 484,854.05 = 190,198.94 : x
  2. Step 2: Convert to fraction form
    351,343.91/484,854.05 = 190,198.94/x
  3. Step 3: Cross multiply
    351,343.91x = 484,854.05 × 190,198.94
  4. Step 4: Simplify right side
    351,343.91x = 92,218,724,415.93
  5. Step 5: Solve for x
    x = 92,218,724,415.93/351,343.91
  6. Step 6: Final answer
    x = 262,474.23

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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.