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Finding the Fourth Proportional to 443,372.94, 665,324.37 and 162,918.54

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Solution

The fourth proportional to 443,372.94, 665,324.37 and 162,918.54 is: 244,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,372.94 : 665,324.37 = 162,918.54 : x
  2. Step 2: Convert to fraction form
    443,372.94/665,324.37 = 162,918.54/x
  3. Step 3: Cross multiply
    443,372.94x = 665,324.37 × 162,918.54
  4. Step 4: Simplify right side
    443,372.94x = 108,393,674,986.82
  5. Step 5: Solve for x
    x = 108,393,674,986.82/443,372.94
  6. Step 6: Final answer
    x = 244,475.17

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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.