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Finding the Fourth Proportional to 483,615.70, 666,686.28 and 337,969.29

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Solution

The fourth proportional to 483,615.70, 666,686.28 and 337,969.29 is: 465,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,615.70 : 666,686.28 = 337,969.29 : x
  2. Step 2: Convert to fraction form
    483,615.70/666,686.28 = 337,969.29/x
  3. Step 3: Cross multiply
    483,615.70x = 666,686.28 × 337,969.29
  4. Step 4: Simplify right side
    483,615.70x = 225,319,488,704.34
  5. Step 5: Solve for x
    x = 225,319,488,704.34/483,615.70
  6. Step 6: Final answer
    x = 465,906.07

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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.