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Finding the Fourth Proportional to 352,769.80, 529,154.70 and 329,150.20

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Solution

The fourth proportional to 352,769.80, 529,154.70 and 329,150.20 is: 493,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,769.80 : 529,154.70 = 329,150.20 : x
  2. Step 2: Convert to fraction form
    352,769.80/529,154.70 = 329,150.20/x
  3. Step 3: Cross multiply
    352,769.80x = 529,154.70 × 329,150.20
  4. Step 4: Simplify right side
    352,769.80x = 174,171,375,335.94
  5. Step 5: Solve for x
    x = 174,171,375,335.94/352,769.80
  6. Step 6: Final answer
    x = 493,725.30

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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.