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Finding the Fourth Proportional to 488,216.16, 673,708.32 and 273,319.92

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Solution

The fourth proportional to 488,216.16, 673,708.32 and 273,319.92 is: 377,164.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,216.16 : 673,708.32 = 273,319.92 : x
  2. Step 2: Convert to fraction form
    488,216.16/673,708.32 = 273,319.92/x
  3. Step 3: Cross multiply
    488,216.16x = 673,708.32 × 273,319.92
  4. Step 4: Simplify right side
    488,216.16x = 184,137,904,125.73
  5. Step 5: Solve for x
    x = 184,137,904,125.73/488,216.16
  6. Step 6: Final answer
    x = 377,164.71

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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.