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Finding the Fourth Proportional to 304,090.04, 419,643.20 and 169,954.04

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Solution

The fourth proportional to 304,090.04, 419,643.20 and 169,954.04 is: 234,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,090.04 : 419,643.20 = 169,954.04 : x
  2. Step 2: Convert to fraction form
    304,090.04/419,643.20 = 169,954.04/x
  3. Step 3: Cross multiply
    304,090.04x = 419,643.20 × 169,954.04
  4. Step 4: Simplify right side
    304,090.04x = 71,320,057,198.53
  5. Step 5: Solve for x
    x = 71,320,057,198.53/304,090.04
  6. Step 6: Final answer
    x = 234,535.99

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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.