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Finding the Fourth Proportional to 374,951.28, 562,251.96 and 217,224.84

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Solution

The fourth proportional to 374,951.28, 562,251.96 and 217,224.84 is: 325,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,951.28 : 562,251.96 = 217,224.84 : x
  2. Step 2: Convert to fraction form
    374,951.28/562,251.96 = 217,224.84/x
  3. Step 3: Cross multiply
    374,951.28x = 562,251.96 × 217,224.84
  4. Step 4: Simplify right side
    374,951.28x = 122,135,092,050.69
  5. Step 5: Solve for x
    x = 122,135,092,050.69/374,951.28
  6. Step 6: Final answer
    x = 325,735.90

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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.