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Finding the Fourth Proportional to 488,847.22, 674,597.64 and 271,054.84

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Solution

The fourth proportional to 488,847.22, 674,597.64 and 271,054.84 is: 374,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,847.22 : 674,597.64 = 271,054.84 : x
  2. Step 2: Convert to fraction form
    488,847.22/674,597.64 = 271,054.84/x
  3. Step 3: Cross multiply
    488,847.22x = 674,597.64 × 271,054.84
  4. Step 4: Simplify right side
    488,847.22x = 182,852,955,374.58
  5. Step 5: Solve for x
    x = 182,852,955,374.58/488,847.22
  6. Step 6: Final answer
    x = 374,049.29

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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.