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Finding the Fourth Proportional to 304,577.72, 419,378.44 and 270,527.04

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Solution

The fourth proportional to 304,577.72, 419,378.44 and 270,527.04 is: 372,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,577.72 : 419,378.44 = 270,527.04 : x
  2. Step 2: Convert to fraction form
    304,577.72/419,378.44 = 270,527.04/x
  3. Step 3: Cross multiply
    304,577.72x = 419,378.44 × 270,527.04
  4. Step 4: Simplify right side
    304,577.72x = 113,453,207,083.08
  5. Step 5: Solve for x
    x = 113,453,207,083.08/304,577.72
  6. Step 6: Final answer
    x = 372,493.46

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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.