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Finding the Fourth Proportional to 395,422.88, 593,150.72 and 114,940.13

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Solution

The fourth proportional to 395,422.88, 593,150.72 and 114,940.13 is: 172,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,422.88 : 593,150.72 = 114,940.13 : x
  2. Step 2: Convert to fraction form
    395,422.88/593,150.72 = 114,940.13/x
  3. Step 3: Cross multiply
    395,422.88x = 593,150.72 × 114,940.13
  4. Step 4: Simplify right side
    395,422.88x = 68,176,819,383.52
  5. Step 5: Solve for x
    x = 68,176,819,383.52/395,422.88
  6. Step 6: Final answer
    x = 172,414.96

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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.