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Finding the Fourth Proportional to 488,503.68, 674,127.68 and 273,651.44

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Solution

The fourth proportional to 488,503.68, 674,127.68 and 273,651.44 is: 377,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,503.68 : 674,127.68 = 273,651.44 : x
  2. Step 2: Convert to fraction form
    488,503.68/674,127.68 = 273,651.44/x
  3. Step 3: Cross multiply
    488,503.68x = 674,127.68 × 273,651.44
  4. Step 4: Simplify right side
    488,503.68x = 184,476,005,636.96
  5. Step 5: Solve for x
    x = 184,476,005,636.96/488,503.68
  6. Step 6: Final answer
    x = 377,634.83

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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.