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Finding the Fourth Proportional to 332,619.39, 499,302.25 and 133,078.88

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Solution

The fourth proportional to 332,619.39, 499,302.25 and 133,078.88 is: 199,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,619.39 : 499,302.25 = 133,078.88 : x
  2. Step 2: Convert to fraction form
    332,619.39/499,302.25 = 133,078.88/x
  3. Step 3: Cross multiply
    332,619.39x = 499,302.25 × 133,078.88
  4. Step 4: Simplify right side
    332,619.39x = 66,446,585,127.04
  5. Step 5: Solve for x
    x = 66,446,585,127.04/332,619.39
  6. Step 6: Final answer
    x = 199,767.62

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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.