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Finding the Fourth Proportional to 446,999.28, 670,433.36 and 180,753.92

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Solution

The fourth proportional to 446,999.28, 670,433.36 and 180,753.92 is: 271,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,999.28 : 670,433.36 = 180,753.92 : x
  2. Step 2: Convert to fraction form
    446,999.28/670,433.36 = 180,753.92/x
  3. Step 3: Cross multiply
    446,999.28x = 670,433.36 × 180,753.92
  4. Step 4: Simplify right side
    446,999.28x = 121,183,457,918.77
  5. Step 5: Solve for x
    x = 121,183,457,918.77/446,999.28
  6. Step 6: Final answer
    x = 271,104.37

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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.