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Finding the Fourth Proportional to 383,149.70, 574,794.26 and 158,388.06

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Solution

The fourth proportional to 383,149.70, 574,794.26 and 158,388.06 is: 237,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,149.70 : 574,794.26 = 158,388.06 : x
  2. Step 2: Convert to fraction form
    383,149.70/574,794.26 = 158,388.06/x
  3. Step 3: Cross multiply
    383,149.70x = 574,794.26 × 158,388.06
  4. Step 4: Simplify right side
    383,149.70x = 91,040,547,740.54
  5. Step 5: Solve for x
    x = 91,040,547,740.54/383,149.70
  6. Step 6: Final answer
    x = 237,610.91

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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.