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Finding the Fourth Proportional to 483,616.70, 666,687.66 and 337,970.29

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Solution

The fourth proportional to 483,616.70, 666,687.66 and 337,970.29 is: 465,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,616.70 : 666,687.66 = 337,970.29 : x
  2. Step 2: Convert to fraction form
    483,616.70/666,687.66 = 337,970.29/x
  3. Step 3: Cross multiply
    483,616.70x = 666,687.66 × 337,970.29
  4. Step 4: Simplify right side
    483,616.70x = 225,320,621,789.62
  5. Step 5: Solve for x
    x = 225,320,621,789.62/483,616.70
  6. Step 6: Final answer
    x = 465,907.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.