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Finding the Fourth Proportional to 488,738.53, 674,458.73 and 273,880.14

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Solution

The fourth proportional to 488,738.53, 674,458.73 and 273,880.14 is: 377,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,738.53 : 674,458.73 = 273,880.14 : x
  2. Step 2: Convert to fraction form
    488,738.53/674,458.73 = 273,880.14/x
  3. Step 3: Cross multiply
    488,738.53x = 674,458.73 × 273,880.14
  4. Step 4: Simplify right side
    488,738.53x = 184,720,847,754.76
  5. Step 5: Solve for x
    x = 184,720,847,754.76/488,738.53
  6. Step 6: Final answer
    x = 377,954.34

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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.