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Finding the Fourth Proportional to 488,630.08, 674,297.76 and 273,779.20

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Solution

The fourth proportional to 488,630.08, 674,297.76 and 273,779.20 is: 377,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,630.08 : 674,297.76 = 273,779.20 : x
  2. Step 2: Convert to fraction form
    488,630.08/674,297.76 = 273,779.20/x
  3. Step 3: Cross multiply
    488,630.08x = 674,297.76 × 273,779.20
  4. Step 4: Simplify right side
    488,630.08x = 184,608,701,294.59
  5. Step 5: Solve for x
    x = 184,608,701,294.59/488,630.08
  6. Step 6: Final answer
    x = 377,808.71

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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.