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Finding the Fourth Proportional to 299,238.94, 412,576.23 and 191,632.06

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Solution

The fourth proportional to 299,238.94, 412,576.23 and 191,632.06 is: 264,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,238.94 : 412,576.23 = 191,632.06 : x
  2. Step 2: Convert to fraction form
    299,238.94/412,576.23 = 191,632.06/x
  3. Step 3: Cross multiply
    299,238.94x = 412,576.23 × 191,632.06
  4. Step 4: Simplify right side
    299,238.94x = 79,062,832,861.93
  5. Step 5: Solve for x
    x = 79,062,832,861.93/299,238.94
  6. Step 6: Final answer
    x = 264,213.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.