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Finding the Fourth Proportional to 383,879.67, 575,572.86 and 159,395.10

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Solution

The fourth proportional to 383,879.67, 575,572.86 and 159,395.10 is: 238,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,879.67 : 575,572.86 = 159,395.10 : x
  2. Step 2: Convert to fraction form
    383,879.67/575,572.86 = 159,395.10/x
  3. Step 3: Cross multiply
    383,879.67x = 575,572.86 × 159,395.10
  4. Step 4: Simplify right side
    383,879.67x = 91,743,493,576.99
  5. Step 5: Solve for x
    x = 91,743,493,576.99/383,879.67
  6. Step 6: Final answer
    x = 238,990.24

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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.