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Finding the Fourth Proportional to 273,980.44, 377,906.34 and 238,109.32

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Solution

The fourth proportional to 273,980.44, 377,906.34 and 238,109.32 is: 328,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,980.44 : 377,906.34 = 238,109.32 : x
  2. Step 2: Convert to fraction form
    273,980.44/377,906.34 = 238,109.32/x
  3. Step 3: Cross multiply
    273,980.44x = 377,906.34 × 238,109.32
  4. Step 4: Simplify right side
    273,980.44x = 89,983,021,641.09
  5. Step 5: Solve for x
    x = 89,983,021,641.09/273,980.44
  6. Step 6: Final answer
    x = 328,428.63

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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.