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Finding the Fourth Proportional to 351,392.80, 484,922.28 and 190,249.24

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Solution

The fourth proportional to 351,392.80, 484,922.28 and 190,249.24 is: 262,544.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,392.80 : 484,922.28 = 190,249.24 : x
  2. Step 2: Convert to fraction form
    351,392.80/484,922.28 = 190,249.24/x
  3. Step 3: Cross multiply
    351,392.80x = 484,922.28 × 190,249.24
  4. Step 4: Simplify right side
    351,392.80x = 92,256,095,229.07
  5. Step 5: Solve for x
    x = 92,256,095,229.07/351,392.80
  6. Step 6: Final answer
    x = 262,544.07

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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.