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Finding the Fourth Proportional to 339,031.04, 467,884.70 and 188,128.04

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Solution

The fourth proportional to 339,031.04, 467,884.70 and 188,128.04 is: 259,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,031.04 : 467,884.70 = 188,128.04 : x
  2. Step 2: Convert to fraction form
    339,031.04/467,884.70 = 188,128.04/x
  3. Step 3: Cross multiply
    339,031.04x = 467,884.70 × 188,128.04
  4. Step 4: Simplify right side
    339,031.04x = 88,022,228,276.92
  5. Step 5: Solve for x
    x = 88,022,228,276.92/339,031.04
  6. Step 6: Final answer
    x = 259,628.82

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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.