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Finding the Fourth Proportional to 234,412.84, 323,490.59 and 126,982.62

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Solution

The fourth proportional to 234,412.84, 323,490.59 and 126,982.62 is: 175,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,412.84 : 323,490.59 = 126,982.62 : x
  2. Step 2: Convert to fraction form
    234,412.84/323,490.59 = 126,982.62/x
  3. Step 3: Cross multiply
    234,412.84x = 323,490.59 × 126,982.62
  4. Step 4: Simplify right side
    234,412.84x = 41,077,682,147.68
  5. Step 5: Solve for x
    x = 41,077,682,147.68/234,412.84
  6. Step 6: Final answer
    x = 175,236.48

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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.