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Finding the Fourth Proportional to 303,608.24, 419,097.52 and 271,721.76

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Solution

The fourth proportional to 303,608.24, 419,097.52 and 271,721.76 is: 375,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,608.24 : 419,097.52 = 271,721.76 : x
  2. Step 2: Convert to fraction form
    303,608.24/419,097.52 = 271,721.76/x
  3. Step 3: Cross multiply
    303,608.24x = 419,097.52 × 271,721.76
  4. Step 4: Simplify right side
    303,608.24x = 113,877,915,746.04
  5. Step 5: Solve for x
    x = 113,877,915,746.04/303,608.24
  6. Step 6: Final answer
    x = 375,081.77

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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.