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Finding the Fourth Proportional to 352,251.45, 527,944.16 and 162,448.34

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Solution

The fourth proportional to 352,251.45, 527,944.16 and 162,448.34 is: 243,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,251.45 : 527,944.16 = 162,448.34 : x
  2. Step 2: Convert to fraction form
    352,251.45/527,944.16 = 162,448.34/x
  3. Step 3: Cross multiply
    352,251.45x = 527,944.16 × 162,448.34
  4. Step 4: Simplify right side
    352,251.45x = 85,763,650,171.09
  5. Step 5: Solve for x
    x = 85,763,650,171.09/352,251.45
  6. Step 6: Final answer
    x = 243,472.81

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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.