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Finding the Fourth Proportional to 483,616.30, 726,007.65 and 270,553.90

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Solution

The fourth proportional to 483,616.30, 726,007.65 and 270,553.90 is: 406,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,616.30 : 726,007.65 = 270,553.90 : x
  2. Step 2: Convert to fraction form
    483,616.30/726,007.65 = 270,553.90/x
  3. Step 3: Cross multiply
    483,616.30x = 726,007.65 × 270,553.90
  4. Step 4: Simplify right side
    483,616.30x = 196,424,201,137.34
  5. Step 5: Solve for x
    x = 196,424,201,137.34/483,616.30
  6. Step 6: Final answer
    x = 406,157.11

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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.