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Finding the Fourth Proportional to 304,876.22, 457,314.51 and 127,286.42

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Solution

The fourth proportional to 304,876.22, 457,314.51 and 127,286.42 is: 190,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,876.22 : 457,314.51 = 127,286.42 : x
  2. Step 2: Convert to fraction form
    304,876.22/457,314.51 = 127,286.42/x
  3. Step 3: Cross multiply
    304,876.22x = 457,314.51 × 127,286.42
  4. Step 4: Simplify right side
    304,876.22x = 58,209,926,791.95
  5. Step 5: Solve for x
    x = 58,209,926,791.95/304,876.22
  6. Step 6: Final answer
    x = 190,929.71

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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.