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Finding the Fourth Proportional to 366,907.80, 550,361.70 and 167,617.43

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Solution

The fourth proportional to 366,907.80, 550,361.70 and 167,617.43 is: 251,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,907.80 : 550,361.70 = 167,617.43 : x
  2. Step 2: Convert to fraction form
    366,907.80/550,361.70 = 167,617.43/x
  3. Step 3: Cross multiply
    366,907.80x = 550,361.70 × 167,617.43
  4. Step 4: Simplify right side
    366,907.80x = 92,250,213,724.43
  5. Step 5: Solve for x
    x = 92,250,213,724.43/366,907.80
  6. Step 6: Final answer
    x = 251,426.15

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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.