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Finding the Fourth Proportional to 488,768.30, 733,267.20 and 151,791.56

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Solution

The fourth proportional to 488,768.30, 733,267.20 and 151,791.56 is: 227,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,768.30 : 733,267.20 = 151,791.56 : x
  2. Step 2: Convert to fraction form
    488,768.30/733,267.20 = 151,791.56/x
  3. Step 3: Cross multiply
    488,768.30x = 733,267.20 × 151,791.56
  4. Step 4: Simplify right side
    488,768.30x = 111,303,768,518.50
  5. Step 5: Solve for x
    x = 111,303,768,518.50/488,768.30
  6. Step 6: Final answer
    x = 227,722.97

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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.