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Finding the Fourth Proportional to 488,010.62, 673,454.45 and 273,150.63

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Solution

The fourth proportional to 488,010.62, 673,454.45 and 273,150.63 is: 376,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,010.62 : 673,454.45 = 273,150.63 : x
  2. Step 2: Convert to fraction form
    488,010.62/673,454.45 = 273,150.63/x
  3. Step 3: Cross multiply
    488,010.62x = 673,454.45 × 273,150.63
  4. Step 4: Simplify right side
    488,010.62x = 183,954,507,976.68
  5. Step 5: Solve for x
    x = 183,954,507,976.68/488,010.62
  6. Step 6: Final answer
    x = 376,947.75

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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.