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Finding the Fourth Proportional to 622,361.28, 859,049.00 and 364,298.65

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Solution

The fourth proportional to 622,361.28, 859,049.00 and 364,298.65 is: 502,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,361.28 : 859,049.00 = 364,298.65 : x
  2. Step 2: Convert to fraction form
    622,361.28/859,049.00 = 364,298.65/x
  3. Step 3: Cross multiply
    622,361.28x = 859,049.00 × 364,298.65
  4. Step 4: Simplify right side
    622,361.28x = 312,950,389,162.36
  5. Step 5: Solve for x
    x = 312,950,389,162.36/622,361.28
  6. Step 6: Final answer
    x = 502,843.61

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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.