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Finding the Fourth Proportional to 304,054.04, 419,744.22 and 190,939.16

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Solution

The fourth proportional to 304,054.04, 419,744.22 and 190,939.16 is: 263,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,054.04 : 419,744.22 = 190,939.16 : x
  2. Step 2: Convert to fraction form
    304,054.04/419,744.22 = 190,939.16/x
  3. Step 3: Cross multiply
    304,054.04x = 419,744.22 × 190,939.16
  4. Step 4: Simplify right side
    304,054.04x = 80,145,608,781.66
  5. Step 5: Solve for x
    x = 80,145,608,781.66/304,054.04
  6. Step 6: Final answer
    x = 263,590.01

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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.