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Finding the Fourth Proportional to 348,908.16, 481,676.15 and 234,786.86

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Solution

The fourth proportional to 348,908.16, 481,676.15 and 234,786.86 is: 324,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,908.16 : 481,676.15 = 234,786.86 : x
  2. Step 2: Convert to fraction form
    348,908.16/481,676.15 = 234,786.86/x
  3. Step 3: Cross multiply
    348,908.16x = 481,676.15 × 234,786.86
  4. Step 4: Simplify right side
    348,908.16x = 113,091,227,213.07
  5. Step 5: Solve for x
    x = 113,091,227,213.07/348,908.16
  6. Step 6: Final answer
    x = 324,128.93

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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.