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Finding the Fourth Proportional to 304,760.46, 457,027.70 and 127,279.47

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Solution

The fourth proportional to 304,760.46, 457,027.70 and 127,279.47 is: 190,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,760.46 : 457,027.70 = 127,279.47 : x
  2. Step 2: Convert to fraction form
    304,760.46/457,027.70 = 127,279.47/x
  3. Step 3: Cross multiply
    304,760.46x = 457,027.70 × 127,279.47
  4. Step 4: Simplify right side
    304,760.46x = 58,170,242,794.92
  5. Step 5: Solve for x
    x = 58,170,242,794.92/304,760.46
  6. Step 6: Final answer
    x = 190,872.01

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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.