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Finding the Fourth Proportional to 488,633.58, 674,302.59 and 273,782.70

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Solution

The fourth proportional to 488,633.58, 674,302.59 and 273,782.70 is: 377,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,633.58 : 674,302.59 = 273,782.70 : x
  2. Step 2: Convert to fraction form
    488,633.58/674,302.59 = 273,782.70/x
  3. Step 3: Cross multiply
    488,633.58x = 674,302.59 × 273,782.70
  4. Step 4: Simplify right side
    488,633.58x = 184,612,383,707.19
  5. Step 5: Solve for x
    x = 184,612,383,707.19/488,633.58
  6. Step 6: Final answer
    x = 377,813.54

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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.