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Finding the Fourth Proportional to 344,736.88, 475,344.65 and 242,729.73

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Solution

The fourth proportional to 344,736.88, 475,344.65 and 242,729.73 is: 334,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,736.88 : 475,344.65 = 242,729.73 : x
  2. Step 2: Convert to fraction form
    344,736.88/475,344.65 = 242,729.73/x
  3. Step 3: Cross multiply
    344,736.88x = 475,344.65 × 242,729.73
  4. Step 4: Simplify right side
    344,736.88x = 115,380,279,158.27
  5. Step 5: Solve for x
    x = 115,380,279,158.27/344,736.88
  6. Step 6: Final answer
    x = 334,690.85

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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.