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Finding the Fourth Proportional to 366,901.80, 550,352.70 and 167,611.43

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Solution

The fourth proportional to 366,901.80, 550,352.70 and 167,611.43 is: 251,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,901.80 : 550,352.70 = 167,611.43 : x
  2. Step 2: Convert to fraction form
    366,901.80/550,352.70 = 167,611.43/x
  3. Step 3: Cross multiply
    366,901.80x = 550,352.70 × 167,611.43
  4. Step 4: Simplify right side
    366,901.80x = 92,245,400,299.60
  5. Step 5: Solve for x
    x = 92,245,400,299.60/366,901.80
  6. Step 6: Final answer
    x = 251,417.14

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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.