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Finding the Fourth Proportional to 337,211.92, 465,569.40 and 216,405.28

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Solution

The fourth proportional to 337,211.92, 465,569.40 and 216,405.28 is: 298,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,211.92 : 465,569.40 = 216,405.28 : x
  2. Step 2: Convert to fraction form
    337,211.92/465,569.40 = 216,405.28/x
  3. Step 3: Cross multiply
    337,211.92x = 465,569.40 × 216,405.28
  4. Step 4: Simplify right side
    337,211.92x = 100,751,676,366.43
  5. Step 5: Solve for x
    x = 100,751,676,366.43/337,211.92
  6. Step 6: Final answer
    x = 298,778.51

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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.