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Finding the Fourth Proportional to 337,539.81, 465,585.48 and 216,489.36

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Solution

The fourth proportional to 337,539.81, 465,585.48 and 216,489.36 is: 298,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,539.81 : 465,585.48 = 216,489.36 : x
  2. Step 2: Convert to fraction form
    337,539.81/465,585.48 = 216,489.36/x
  3. Step 3: Cross multiply
    337,539.81x = 465,585.48 × 216,489.36
  4. Step 4: Simplify right side
    337,539.81x = 100,794,302,590.49
  5. Step 5: Solve for x
    x = 100,794,302,590.49/337,539.81
  6. Step 6: Final answer
    x = 298,614.56

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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.