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Finding the Fourth Proportional to 304,752.60, 457,171.38 and 127,218.96

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Solution

The fourth proportional to 304,752.60, 457,171.38 and 127,218.96 is: 190,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,752.60 : 457,171.38 = 127,218.96 : x
  2. Step 2: Convert to fraction form
    304,752.60/457,171.38 = 127,218.96/x
  3. Step 3: Cross multiply
    304,752.60x = 457,171.38 × 127,218.96
  4. Step 4: Simplify right side
    304,752.60x = 58,160,867,505.36
  5. Step 5: Solve for x
    x = 58,160,867,505.36/304,752.60
  6. Step 6: Final answer
    x = 190,846.17

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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.