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Finding the Fourth Proportional to 337,781.34, 465,918.48 and 216,730.89

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Solution

The fourth proportional to 337,781.34, 465,918.48 and 216,730.89 is: 298,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,781.34 : 465,918.48 = 216,730.89 : x
  2. Step 2: Convert to fraction form
    337,781.34/465,918.48 = 216,730.89/x
  3. Step 3: Cross multiply
    337,781.34x = 465,918.48 × 216,730.89
  4. Step 4: Simplify right side
    337,781.34x = 100,978,926,837.85
  5. Step 5: Solve for x
    x = 100,978,926,837.85/337,781.34
  6. Step 6: Final answer
    x = 298,947.62

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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.