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Finding the Fourth Proportional to 304,930.13, 457,173.26 and 127,487.48

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Solution

The fourth proportional to 304,930.13, 457,173.26 and 127,487.48 is: 191,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,930.13 : 457,173.26 = 127,487.48 : x
  2. Step 2: Convert to fraction form
    304,930.13/457,173.26 = 127,487.48/x
  3. Step 3: Cross multiply
    304,930.13x = 457,173.26 × 127,487.48
  4. Step 4: Simplify right side
    304,930.13x = 58,283,866,203.35
  5. Step 5: Solve for x
    x = 58,283,866,203.35/304,930.13
  6. Step 6: Final answer
    x = 191,138.43

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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.