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Finding the Fourth Proportional to 488,170.80, 673,597.98 and 273,319.92

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Solution

The fourth proportional to 488,170.80, 673,597.98 and 273,319.92 is: 377,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,170.80 : 673,597.98 = 273,319.92 : x
  2. Step 2: Convert to fraction form
    488,170.80/673,597.98 = 273,319.92/x
  3. Step 3: Cross multiply
    488,170.80x = 673,597.98 × 273,319.92
  4. Step 4: Simplify right side
    488,170.80x = 184,107,746,005.76
  5. Step 5: Solve for x
    x = 184,107,746,005.76/488,170.80
  6. Step 6: Final answer
    x = 377,137.97

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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.