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Finding the Fourth Proportional to 331,806.80, 497,710.20 and 110,190.80

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Solution

The fourth proportional to 331,806.80, 497,710.20 and 110,190.80 is: 165,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,806.80 : 497,710.20 = 110,190.80 : x
  2. Step 2: Convert to fraction form
    331,806.80/497,710.20 = 110,190.80/x
  3. Step 3: Cross multiply
    331,806.80x = 497,710.20 × 110,190.80
  4. Step 4: Simplify right side
    331,806.80x = 54,843,085,106.16
  5. Step 5: Solve for x
    x = 54,843,085,106.16/331,806.80
  6. Step 6: Final answer
    x = 165,286.20

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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.