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Finding the Fourth Proportional to 275,326.61, 380,084.21 and 184,649.41

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Solution

The fourth proportional to 275,326.61, 380,084.21 and 184,649.41 is: 254,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,326.61 : 380,084.21 = 184,649.41 : x
  2. Step 2: Convert to fraction form
    275,326.61/380,084.21 = 184,649.41/x
  3. Step 3: Cross multiply
    275,326.61x = 380,084.21 × 184,649.41
  4. Step 4: Simplify right side
    275,326.61x = 70,182,325,126.82
  5. Step 5: Solve for x
    x = 70,182,325,126.82/275,326.61
  6. Step 6: Final answer
    x = 254,905.71

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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.