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Finding the Fourth Proportional to 488,009.72, 673,453.23 and 273,149.73

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Solution

The fourth proportional to 488,009.72, 673,453.23 and 273,149.73 is: 376,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,009.72 : 673,453.23 = 273,149.73 : x
  2. Step 2: Convert to fraction form
    488,009.72/673,453.23 = 273,149.73/x
  3. Step 3: Cross multiply
    488,009.72x = 673,453.23 × 273,149.73
  4. Step 4: Simplify right side
    488,009.72x = 183,953,567,942.13
  5. Step 5: Solve for x
    x = 183,953,567,942.13/488,009.72
  6. Step 6: Final answer
    x = 376,946.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.