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Finding the Fourth Proportional to 372,091.74, 557,495.67 and 203,733.24

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Solution

The fourth proportional to 372,091.74, 557,495.67 and 203,733.24 is: 305,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,091.74 : 557,495.67 = 203,733.24 : x
  2. Step 2: Convert to fraction form
    372,091.74/557,495.67 = 203,733.24/x
  3. Step 3: Cross multiply
    372,091.74x = 557,495.67 × 203,733.24
  4. Step 4: Simplify right side
    372,091.74x = 113,580,399,135.07
  5. Step 5: Solve for x
    x = 113,580,399,135.07/372,091.74
  6. Step 6: Final answer
    x = 305,248.38

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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.