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Finding the Fourth Proportional to 324,932.64, 487,243.96 and 190,034.72

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Solution

The fourth proportional to 324,932.64, 487,243.96 and 190,034.72 is: 284,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,932.64 : 487,243.96 = 190,034.72 : x
  2. Step 2: Convert to fraction form
    324,932.64/487,243.96 = 190,034.72/x
  3. Step 3: Cross multiply
    324,932.64x = 487,243.96 × 190,034.72
  4. Step 4: Simplify right side
    324,932.64x = 92,593,269,510.29
  5. Step 5: Solve for x
    x = 92,593,269,510.29/324,932.64
  6. Step 6: Final answer
    x = 284,961.43

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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.