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Finding the Fourth Proportional to 332,650.63, 498,921.33 and 92,780.87

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Solution

The fourth proportional to 332,650.63, 498,921.33 and 92,780.87 is: 139,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,650.63 : 498,921.33 = 92,780.87 : x
  2. Step 2: Convert to fraction form
    332,650.63/498,921.33 = 92,780.87/x
  3. Step 3: Cross multiply
    332,650.63x = 498,921.33 × 92,780.87
  4. Step 4: Simplify right side
    332,650.63x = 46,290,352,912.28
  5. Step 5: Solve for x
    x = 46,290,352,912.28/332,650.63
  6. Step 6: Final answer
    x = 139,156.07

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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.