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Finding the Fourth Proportional to 274,648.93, 411,580.82 and 154,453.59

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Solution

The fourth proportional to 274,648.93, 411,580.82 and 154,453.59 is: 231,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,648.93 : 411,580.82 = 154,453.59 : x
  2. Step 2: Convert to fraction form
    274,648.93/411,580.82 = 154,453.59/x
  3. Step 3: Cross multiply
    274,648.93x = 411,580.82 × 154,453.59
  4. Step 4: Simplify right side
    274,648.93x = 63,570,135,610.28
  5. Step 5: Solve for x
    x = 63,570,135,610.28/274,648.93
  6. Step 6: Final answer
    x = 231,459.61

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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.