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Finding the Fourth Proportional to 496,278.88, 744,418.31 and 122,301.88

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Solution

The fourth proportional to 496,278.88, 744,418.31 and 122,301.88 is: 183,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,278.88 : 744,418.31 = 122,301.88 : x
  2. Step 2: Convert to fraction form
    496,278.88/744,418.31 = 122,301.88/x
  3. Step 3: Cross multiply
    496,278.88x = 744,418.31 × 122,301.88
  4. Step 4: Simplify right side
    496,278.88x = 91,043,758,819.42
  5. Step 5: Solve for x
    x = 91,043,758,819.42/496,278.88
  6. Step 6: Final answer
    x = 183,452.82

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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.