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Finding the Fourth Proportional to 622,891.22, 933,745.71 and 201,871.22

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Solution

The fourth proportional to 622,891.22, 933,745.71 and 201,871.22 is: 302,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,891.22 : 933,745.71 = 201,871.22 : x
  2. Step 2: Convert to fraction form
    622,891.22/933,745.71 = 201,871.22/x
  3. Step 3: Cross multiply
    622,891.22x = 933,745.71 × 201,871.22
  4. Step 4: Simplify right side
    622,891.22x = 188,496,385,647.47
  5. Step 5: Solve for x
    x = 188,496,385,647.47/622,891.22
  6. Step 6: Final answer
    x = 302,615.26

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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.