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Finding the Fourth Proportional to 488,466.72, 674,080.11 and 273,608.82

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Solution

The fourth proportional to 488,466.72, 674,080.11 and 273,608.82 is: 377,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,466.72 : 674,080.11 = 273,608.82 : x
  2. Step 2: Convert to fraction form
    488,466.72/674,080.11 = 273,608.82/x
  3. Step 3: Cross multiply
    488,466.72x = 674,080.11 × 273,608.82
  4. Step 4: Simplify right side
    488,466.72x = 184,434,263,482.57
  5. Step 5: Solve for x
    x = 184,434,263,482.57/488,466.72
  6. Step 6: Final answer
    x = 377,577.95

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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.