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Finding the Fourth Proportional to 488,782.92, 733,288.86 and 151,806.36

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Solution

The fourth proportional to 488,782.92, 733,288.86 and 151,806.36 is: 227,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,782.92 : 733,288.86 = 151,806.36 : x
  2. Step 2: Convert to fraction form
    488,782.92/733,288.86 = 151,806.36/x
  3. Step 3: Cross multiply
    488,782.92x = 733,288.86 × 151,806.36
  4. Step 4: Simplify right side
    488,782.92x = 111,317,912,665.15
  5. Step 5: Solve for x
    x = 111,317,912,665.15/488,782.92
  6. Step 6: Final answer
    x = 227,745.10

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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.