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Finding the Fourth Proportional to 488,619.46, 674,361.41 and 273,805.03

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Solution

The fourth proportional to 488,619.46, 674,361.41 and 273,805.03 is: 377,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,619.46 : 674,361.41 = 273,805.03 : x
  2. Step 2: Convert to fraction form
    488,619.46/674,361.41 = 273,805.03/x
  3. Step 3: Cross multiply
    488,619.46x = 674,361.41 × 273,805.03
  4. Step 4: Simplify right side
    488,619.46x = 184,643,546,095.89
  5. Step 5: Solve for x
    x = 184,643,546,095.89/488,619.46
  6. Step 6: Final answer
    x = 377,888.24

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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.