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Finding the Fourth Proportional to 440,697.56, 661,105.17 and 174,395.84

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Solution

The fourth proportional to 440,697.56, 661,105.17 and 174,395.84 is: 261,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,697.56 : 661,105.17 = 174,395.84 : x
  2. Step 2: Convert to fraction form
    440,697.56/661,105.17 = 174,395.84/x
  3. Step 3: Cross multiply
    440,697.56x = 661,105.17 × 174,395.84
  4. Step 4: Simplify right side
    440,697.56x = 115,293,988,144.97
  5. Step 5: Solve for x
    x = 115,293,988,144.97/440,697.56
  6. Step 6: Final answer
    x = 261,617.04

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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.