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Finding the Fourth Proportional to 592,357.97, 816,603.76 and 422,296.85

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Solution

The fourth proportional to 592,357.97, 816,603.76 and 422,296.85 is: 582,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,357.97 : 816,603.76 = 422,296.85 : x
  2. Step 2: Convert to fraction form
    592,357.97/816,603.76 = 422,296.85/x
  3. Step 3: Cross multiply
    592,357.97x = 816,603.76 × 422,296.85
  4. Step 4: Simplify right side
    592,357.97x = 344,849,198,115.54
  5. Step 5: Solve for x
    x = 344,849,198,115.54/592,357.97
  6. Step 6: Final answer
    x = 582,163.51

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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.