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Finding the Fourth Proportional to 332,981.56, 499,480.44 and 108,342.64

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Solution

The fourth proportional to 332,981.56, 499,480.44 and 108,342.64 is: 162,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,981.56 : 499,480.44 = 108,342.64 : x
  2. Step 2: Convert to fraction form
    332,981.56/499,480.44 = 108,342.64/x
  3. Step 3: Cross multiply
    332,981.56x = 499,480.44 × 108,342.64
  4. Step 4: Simplify right side
    332,981.56x = 54,115,029,497.96
  5. Step 5: Solve for x
    x = 54,115,029,497.96/332,981.56
  6. Step 6: Final answer
    x = 162,516.60

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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.