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Finding the Fourth Proportional to 312,010.38, 467,591.46 and 131,946.12

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Solution

The fourth proportional to 312,010.38, 467,591.46 and 131,946.12 is: 197,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,010.38 : 467,591.46 = 131,946.12 : x
  2. Step 2: Convert to fraction form
    312,010.38/467,591.46 = 131,946.12/x
  3. Step 3: Cross multiply
    312,010.38x = 467,591.46 × 131,946.12
  4. Step 4: Simplify right side
    312,010.38x = 61,696,878,892.14
  5. Step 5: Solve for x
    x = 61,696,878,892.14/312,010.38
  6. Step 6: Final answer
    x = 197,739.83

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1.5x scale

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.