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Finding the Fourth Proportional to 291,481.69, 437,222.54 and 113,864.14

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Solution

The fourth proportional to 291,481.69, 437,222.54 and 113,864.14 is: 170,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,481.69 : 437,222.54 = 113,864.14 : x
  2. Step 2: Convert to fraction form
    291,481.69/437,222.54 = 113,864.14/x
  3. Step 3: Cross multiply
    291,481.69x = 437,222.54 × 113,864.14
  4. Step 4: Simplify right side
    291,481.69x = 49,783,967,936.39
  5. Step 5: Solve for x
    x = 49,783,967,936.39/291,481.69
  6. Step 6: Final answer
    x = 170,796.21

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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.