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Finding the Fourth Proportional to 488,791.95, 674,406.24 and 295,046.53

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Solution

The fourth proportional to 488,791.95, 674,406.24 and 295,046.53 is: 407,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,791.95 : 674,406.24 = 295,046.53 : x
  2. Step 2: Convert to fraction form
    488,791.95/674,406.24 = 295,046.53/x
  3. Step 3: Cross multiply
    488,791.95x = 674,406.24 × 295,046.53
  4. Step 4: Simplify right side
    488,791.95x = 198,981,220,922.35
  5. Step 5: Solve for x
    x = 198,981,220,922.35/488,791.95
  6. Step 6: Final answer
    x = 407,087.76

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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.