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Finding the Fourth Proportional to 269,794.81, 372,361.86 and 257,837.05

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Solution

The fourth proportional to 269,794.81, 372,361.86 and 257,837.05 is: 355,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,794.81 : 372,361.86 = 257,837.05 : x
  2. Step 2: Convert to fraction form
    269,794.81/372,361.86 = 257,837.05/x
  3. Step 3: Cross multiply
    269,794.81x = 372,361.86 × 257,837.05
  4. Step 4: Simplify right side
    269,794.81x = 96,008,680,363.92
  5. Step 5: Solve for x
    x = 96,008,680,363.92/269,794.81
  6. Step 6: Final answer
    x = 355,858.15

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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.