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Finding the Fourth Proportional to 269,800.68, 372,625.74 and 210,089.64

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Solution

The fourth proportional to 269,800.68, 372,625.74 and 210,089.64 is: 290,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,800.68 : 372,625.74 = 210,089.64 : x
  2. Step 2: Convert to fraction form
    269,800.68/372,625.74 = 210,089.64/x
  3. Step 3: Cross multiply
    269,800.68x = 372,625.74 × 210,089.64
  4. Step 4: Simplify right side
    269,800.68x = 78,284,807,571.33
  5. Step 5: Solve for x
    x = 78,284,807,571.33/269,800.68
  6. Step 6: Final answer
    x = 290,157.93

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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.