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Finding the Fourth Proportional to 578,309.55, 797,971.92 and 363,297.33

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Solution

The fourth proportional to 578,309.55, 797,971.92 and 363,297.33 is: 501,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,309.55 : 797,971.92 = 363,297.33 : x
  2. Step 2: Convert to fraction form
    578,309.55/797,971.92 = 363,297.33/x
  3. Step 3: Cross multiply
    578,309.55x = 797,971.92 × 363,297.33
  4. Step 4: Simplify right side
    578,309.55x = 289,901,067,950.97
  5. Step 5: Solve for x
    x = 289,901,067,950.97/578,309.55
  6. Step 6: Final answer
    x = 501,290.47

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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.