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Finding the Fourth Proportional to 372,097.24, 557,503.92 and 203,738.74

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Solution

The fourth proportional to 372,097.24, 557,503.92 and 203,738.74 is: 305,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,097.24 : 557,503.92 = 203,738.74 : x
  2. Step 2: Convert to fraction form
    372,097.24/557,503.92 = 203,738.74/x
  3. Step 3: Cross multiply
    372,097.24x = 557,503.92 × 203,738.74
  4. Step 4: Simplify right side
    372,097.24x = 113,585,146,205.86
  5. Step 5: Solve for x
    x = 113,585,146,205.86/372,097.24
  6. Step 6: Final answer
    x = 305,256.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.