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Finding the Fourth Proportional to 441,543.44, 662,321.37 and 126,000.38

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Solution

The fourth proportional to 441,543.44, 662,321.37 and 126,000.38 is: 189,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,543.44 : 662,321.37 = 126,000.38 : x
  2. Step 2: Convert to fraction form
    441,543.44/662,321.37 = 126,000.38/x
  3. Step 3: Cross multiply
    441,543.44x = 662,321.37 × 126,000.38
  4. Step 4: Simplify right side
    441,543.44x = 83,452,744,302.12
  5. Step 5: Solve for x
    x = 83,452,744,302.12/441,543.44
  6. Step 6: Final answer
    x = 189,002.34

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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.