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Finding the Fourth Proportional to 304,894.98, 457,268.94 and 127,305.72

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Solution

The fourth proportional to 304,894.98, 457,268.94 and 127,305.72 is: 190,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,894.98 : 457,268.94 = 127,305.72 : x
  2. Step 2: Convert to fraction form
    304,894.98/457,268.94 = 127,305.72/x
  3. Step 3: Cross multiply
    304,894.98x = 457,268.94 × 127,305.72
  4. Step 4: Simplify right side
    304,894.98x = 58,212,951,640.34
  5. Step 5: Solve for x
    x = 58,212,951,640.34/304,894.98
  6. Step 6: Final answer
    x = 190,927.88

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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.