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Finding the Fourth Proportional to 296,044.60, 443,556.60 and 137,948.80

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Solution

The fourth proportional to 296,044.60, 443,556.60 and 137,948.80 is: 206,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,044.60 : 443,556.60 = 137,948.80 : x
  2. Step 2: Convert to fraction form
    296,044.60/443,556.60 = 137,948.80/x
  3. Step 3: Cross multiply
    296,044.60x = 443,556.60 × 137,948.80
  4. Step 4: Simplify right side
    296,044.60x = 61,188,100,702.08
  5. Step 5: Solve for x
    x = 61,188,100,702.08/296,044.60
  6. Step 6: Final answer
    x = 206,685.41

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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.