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Finding the Fourth Proportional to 339,031.54, 467,885.38 and 188,128.54

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Solution

The fourth proportional to 339,031.54, 467,885.38 and 188,128.54 is: 259,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,031.54 : 467,885.38 = 188,128.54 : x
  2. Step 2: Convert to fraction form
    339,031.54/467,885.38 = 188,128.54/x
  3. Step 3: Cross multiply
    339,031.54x = 467,885.38 × 188,128.54
  4. Step 4: Simplify right side
    339,031.54x = 88,022,593,426.75
  5. Step 5: Solve for x
    x = 88,022,593,426.75/339,031.54
  6. Step 6: Final answer
    x = 259,629.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.