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Finding the Fourth Proportional to 488,115.82, 730,912.11 and 336,779.52

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Solution

The fourth proportional to 488,115.82, 730,912.11 and 336,779.52 is: 504,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,115.82 : 730,912.11 = 336,779.52 : x
  2. Step 2: Convert to fraction form
    488,115.82/730,912.11 = 336,779.52/x
  3. Step 3: Cross multiply
    488,115.82x = 730,912.11 × 336,779.52
  4. Step 4: Simplify right side
    488,115.82x = 246,156,229,675.52
  5. Step 5: Solve for x
    x = 246,156,229,675.52/488,115.82
  6. Step 6: Final answer
    x = 504,298.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.