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Finding the Fourth Proportional to 662,480.44, 993,581.34 and 213,241.48

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Solution

The fourth proportional to 662,480.44, 993,581.34 and 213,241.48 is: 319,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,480.44 : 993,581.34 = 213,241.48 : x
  2. Step 2: Convert to fraction form
    662,480.44/993,581.34 = 213,241.48/x
  3. Step 3: Cross multiply
    662,480.44x = 993,581.34 × 213,241.48
  4. Step 4: Simplify right side
    662,480.44x = 211,872,755,441.98
  5. Step 5: Solve for x
    x = 211,872,755,441.98/662,480.44
  6. Step 6: Final answer
    x = 319,817.38

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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.