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Finding the Fourth Proportional to 330,562.37, 495,552.74 and 131,022.82

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Solution

The fourth proportional to 330,562.37, 495,552.74 and 131,022.82 is: 196,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,562.37 : 495,552.74 = 131,022.82 : x
  2. Step 2: Convert to fraction form
    330,562.37/495,552.74 = 131,022.82/x
  3. Step 3: Cross multiply
    330,562.37x = 495,552.74 × 131,022.82
  4. Step 4: Simplify right side
    330,562.37x = 64,928,714,975.76
  5. Step 5: Solve for x
    x = 64,928,714,975.76/330,562.37
  6. Step 6: Final answer
    x = 196,418.96

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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.