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Finding the Fourth Proportional to 332,794.89, 498,992.31 and 130,149.54

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Solution

The fourth proportional to 332,794.89, 498,992.31 and 130,149.54 is: 195,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,794.89 : 498,992.31 = 130,149.54 : x
  2. Step 2: Convert to fraction form
    332,794.89/498,992.31 = 130,149.54/x
  3. Step 3: Cross multiply
    332,794.89x = 498,992.31 × 130,149.54
  4. Step 4: Simplify right side
    332,794.89x = 64,943,619,610.04
  5. Step 5: Solve for x
    x = 64,943,619,610.04/332,794.89
  6. Step 6: Final answer
    x = 195,146.08

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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.