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Finding the Fourth Proportional to 344,253.75, 475,060.71 and 191,287.98

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Solution

The fourth proportional to 344,253.75, 475,060.71 and 191,287.98 is: 263,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,253.75 : 475,060.71 = 191,287.98 : x
  2. Step 2: Convert to fraction form
    344,253.75/475,060.71 = 191,287.98/x
  3. Step 3: Cross multiply
    344,253.75x = 475,060.71 × 191,287.98
  4. Step 4: Simplify right side
    344,253.75x = 90,873,404,310.60
  5. Step 5: Solve for x
    x = 90,873,404,310.60/344,253.75
  6. Step 6: Final answer
    x = 263,972.16

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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.