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Finding the Fourth Proportional to 304,586.51, 419,390.51 and 270,535.82

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Solution

The fourth proportional to 304,586.51, 419,390.51 and 270,535.82 is: 372,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,586.51 : 419,390.51 = 270,535.82 : x
  2. Step 2: Convert to fraction form
    304,586.51/419,390.51 = 270,535.82/x
  3. Step 3: Cross multiply
    304,586.51x = 419,390.51 × 270,535.82
  4. Step 4: Simplify right side
    304,586.51x = 113,460,152,073.44
  5. Step 5: Solve for x
    x = 113,460,152,073.44/304,586.51
  6. Step 6: Final answer
    x = 372,505.51

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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.