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Finding the Fourth Proportional to 481,794.76, 722,758.48 and 161,971.44

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Solution

The fourth proportional to 481,794.76, 722,758.48 and 161,971.44 is: 242,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,794.76 : 722,758.48 = 161,971.44 : x
  2. Step 2: Convert to fraction form
    481,794.76/722,758.48 = 161,971.44/x
  3. Step 3: Cross multiply
    481,794.76x = 722,758.48 × 161,971.44
  4. Step 4: Simplify right side
    481,794.76x = 117,066,231,777.81
  5. Step 5: Solve for x
    x = 117,066,231,777.81/481,794.76
  6. Step 6: Final answer
    x = 242,979.46

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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.