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Finding the Fourth Proportional to 658,527.33, 987,791.10 and 185,212.68

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Solution

The fourth proportional to 658,527.33, 987,791.10 and 185,212.68 is: 277,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,527.33 : 987,791.10 = 185,212.68 : x
  2. Step 2: Convert to fraction form
    658,527.33/987,791.10 = 185,212.68/x
  3. Step 3: Cross multiply
    658,527.33x = 987,791.10 × 185,212.68
  4. Step 4: Simplify right side
    658,527.33x = 182,951,436,911.15
  5. Step 5: Solve for x
    x = 182,951,436,911.15/658,527.33
  6. Step 6: Final answer
    x = 277,819.05

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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.