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Finding the Fourth Proportional to 440,992.24, 661,100 and 174,939.60

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Solution

The fourth proportional to 440,992.24, 661,100 and 174,939.60 is: 262,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,992.24 : 661,100 = 174,939.60 : x
  2. Step 2: Convert to fraction form
    440,992.24/661,100 = 174,939.60/x
  3. Step 3: Cross multiply
    440,992.24x = 661,100 × 174,939.60
  4. Step 4: Simplify right side
    440,992.24x = 115,652,569,560
  5. Step 5: Solve for x
    x = 115,652,569,560/440,992.24
  6. Step 6: Final answer
    x = 262,255.34

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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.