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Finding the Fourth Proportional to 445,569.96, 668,529.90 and 196,077

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Solution

The fourth proportional to 445,569.96, 668,529.90 and 196,077 is: 294,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,569.96 : 668,529.90 = 196,077 : x
  2. Step 2: Convert to fraction form
    445,569.96/668,529.90 = 196,077/x
  3. Step 3: Cross multiply
    445,569.96x = 668,529.90 × 196,077
  4. Step 4: Simplify right side
    445,569.96x = 131,083,337,202.30
  5. Step 5: Solve for x
    x = 131,083,337,202.30/445,569.96
  6. Step 6: Final answer
    x = 294,192.49

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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.