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Finding the Fourth Proportional to 268,552.70, 402,483.45 and 205,912.70

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Solution

The fourth proportional to 268,552.70, 402,483.45 and 205,912.70 is: 308,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,552.70 : 402,483.45 = 205,912.70 : x
  2. Step 2: Convert to fraction form
    268,552.70/402,483.45 = 205,912.70/x
  3. Step 3: Cross multiply
    268,552.70x = 402,483.45 × 205,912.70
  4. Step 4: Simplify right side
    268,552.70x = 82,876,453,894.82
  5. Step 5: Solve for x
    x = 82,876,453,894.82/268,552.70
  6. Step 6: Final answer
    x = 308,604.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.