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Finding the Fourth Proportional to 488,079.44, 673,563.70 and 273,218.22

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Solution

The fourth proportional to 488,079.44, 673,563.70 and 273,218.22 is: 377,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,079.44 : 673,563.70 = 273,218.22 : x
  2. Step 2: Convert to fraction form
    488,079.44/673,563.70 = 273,218.22/x
  3. Step 3: Cross multiply
    488,079.44x = 673,563.70 × 273,218.22
  4. Step 4: Simplify right side
    488,079.44x = 184,029,875,170.61
  5. Step 5: Solve for x
    x = 184,029,875,170.61/488,079.44
  6. Step 6: Final answer
    x = 377,049.02

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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.