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Finding the Fourth Proportional to 303,524.60, 455,286.90 and 113,984.60

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Solution

The fourth proportional to 303,524.60, 455,286.90 and 113,984.60 is: 170,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,524.60 : 455,286.90 = 113,984.60 : x
  2. Step 2: Convert to fraction form
    303,524.60/455,286.90 = 113,984.60/x
  3. Step 3: Cross multiply
    303,524.60x = 455,286.90 × 113,984.60
  4. Step 4: Simplify right side
    303,524.60x = 51,895,695,181.74
  5. Step 5: Solve for x
    x = 51,895,695,181.74/303,524.60
  6. Step 6: Final answer
    x = 170,976.90

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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.