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Finding the Fourth Proportional to 361,245.74, 542,201.25 and 183,879.50

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Solution

The fourth proportional to 361,245.74, 542,201.25 and 183,879.50 is: 275,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,245.74 : 542,201.25 = 183,879.50 : x
  2. Step 2: Convert to fraction form
    361,245.74/542,201.25 = 183,879.50/x
  3. Step 3: Cross multiply
    361,245.74x = 542,201.25 × 183,879.50
  4. Step 4: Simplify right side
    361,245.74x = 99,699,694,749.38
  5. Step 5: Solve for x
    x = 99,699,694,749.38/361,245.74
  6. Step 6: Final answer
    x = 275,988.57

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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.