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Finding the Fourth Proportional to 479,881.80, 719,269.11 and 180,171.22

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Solution

The fourth proportional to 479,881.80, 719,269.11 and 180,171.22 is: 270,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,881.80 : 719,269.11 = 180,171.22 : x
  2. Step 2: Convert to fraction form
    479,881.80/719,269.11 = 180,171.22/x
  3. Step 3: Cross multiply
    479,881.80x = 719,269.11 × 180,171.22
  4. Step 4: Simplify right side
    479,881.80x = 129,591,593,057.01
  5. Step 5: Solve for x
    x = 129,591,593,057.01/479,881.80
  6. Step 6: Final answer
    x = 270,048.99

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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.