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Finding the Fourth Proportional to 366,939.40, 550,149.90 and 167,355.40

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Solution

The fourth proportional to 366,939.40, 550,149.90 and 167,355.40 is: 250,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,939.40 : 550,149.90 = 167,355.40 : x
  2. Step 2: Convert to fraction form
    366,939.40/550,149.90 = 167,355.40/x
  3. Step 3: Cross multiply
    366,939.40x = 550,149.90 × 167,355.40
  4. Step 4: Simplify right side
    366,939.40x = 92,070,556,574.46
  5. Step 5: Solve for x
    x = 92,070,556,574.46/366,939.40
  6. Step 6: Final answer
    x = 250,914.88

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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.