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Finding the Fourth Proportional to 353,096.51, 486,815.82 and 228,696.15

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Solution

The fourth proportional to 353,096.51, 486,815.82 and 228,696.15 is: 315,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,096.51 : 486,815.82 = 228,696.15 : x
  2. Step 2: Convert to fraction form
    353,096.51/486,815.82 = 228,696.15/x
  3. Step 3: Cross multiply
    353,096.51x = 486,815.82 × 228,696.15
  4. Step 4: Simplify right side
    353,096.51x = 111,332,902,022.70
  5. Step 5: Solve for x
    x = 111,332,902,022.70/353,096.51
  6. Step 6: Final answer
    x = 315,304.46

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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.