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Finding the Fourth Proportional to 304,760.88, 457,171.40 and 105,054.97

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Solution

The fourth proportional to 304,760.88, 457,171.40 and 105,054.97 is: 157,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,760.88 : 457,171.40 = 105,054.97 : x
  2. Step 2: Convert to fraction form
    304,760.88/457,171.40 = 105,054.97/x
  3. Step 3: Cross multiply
    304,760.88x = 457,171.40 × 105,054.97
  4. Step 4: Simplify right side
    304,760.88x = 48,028,127,711.86
  5. Step 5: Solve for x
    x = 48,028,127,711.86/304,760.88
  6. Step 6: Final answer
    x = 157,592.82

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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.