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Finding the Fourth Proportional to 332,696.40, 499,044.60 and 122,290.80

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Solution

The fourth proportional to 332,696.40, 499,044.60 and 122,290.80 is: 183,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,696.40 : 499,044.60 = 122,290.80 : x
  2. Step 2: Convert to fraction form
    332,696.40/499,044.60 = 122,290.80/x
  3. Step 3: Cross multiply
    332,696.40x = 499,044.60 × 122,290.80
  4. Step 4: Simplify right side
    332,696.40x = 61,028,563,369.68
  5. Step 5: Solve for x
    x = 61,028,563,369.68/332,696.40
  6. Step 6: Final answer
    x = 183,436.20

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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.