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Finding the Fourth Proportional to 344,529, 475,251.84 and 215,243.28

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Solution

The fourth proportional to 344,529, 475,251.84 and 215,243.28 is: 296,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,529 : 475,251.84 = 215,243.28 : x
  2. Step 2: Convert to fraction form
    344,529/475,251.84 = 215,243.28/x
  3. Step 3: Cross multiply
    344,529x = 475,251.84 × 215,243.28
  4. Step 4: Simplify right side
    344,529x = 102,294,764,867.64
  5. Step 5: Solve for x
    x = 102,294,764,867.64/344,529
  6. Step 6: Final answer
    x = 296,911.91

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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.