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Finding the Fourth Proportional to 342,324.40, 512,104.20 and 296,090.80

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Solution

The fourth proportional to 342,324.40, 512,104.20 and 296,090.80 is: 442,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,324.40 : 512,104.20 = 296,090.80 : x
  2. Step 2: Convert to fraction form
    342,324.40/512,104.20 = 296,090.80/x
  3. Step 3: Cross multiply
    342,324.40x = 512,104.20 × 296,090.80
  4. Step 4: Simplify right side
    342,324.40x = 151,629,342,261.36
  5. Step 5: Solve for x
    x = 151,629,342,261.36/342,324.40
  6. Step 6: Final answer
    x = 442,940.50

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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.