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Finding the Fourth Proportional to 488,178.63, 673,687.53 and 273,327.75

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Solution

The fourth proportional to 488,178.63, 673,687.53 and 273,327.75 is: 377,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,178.63 : 673,687.53 = 273,327.75 : x
  2. Step 2: Convert to fraction form
    488,178.63/673,687.53 = 273,327.75/x
  3. Step 3: Cross multiply
    488,178.63x = 673,687.53 × 273,327.75
  4. Step 4: Simplify right side
    488,178.63x = 184,137,496,777.96
  5. Step 5: Solve for x
    x = 184,137,496,777.96/488,178.63
  6. Step 6: Final answer
    x = 377,192.87

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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.