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Finding the Fourth Proportional to 392,364.34, 588,553.34 and 108,053.44

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Solution

The fourth proportional to 392,364.34, 588,553.34 and 108,053.44 is: 162,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,364.34 : 588,553.34 = 108,053.44 : x
  2. Step 2: Convert to fraction form
    392,364.34/588,553.34 = 108,053.44/x
  3. Step 3: Cross multiply
    392,364.34x = 588,553.34 × 108,053.44
  4. Step 4: Simplify right side
    392,364.34x = 63,595,210,998.84
  5. Step 5: Solve for x
    x = 63,595,210,998.84/392,364.34
  6. Step 6: Final answer
    x = 162,082.04

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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.