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Finding the Fourth Proportional to 395,257.52, 592,780.78 and 110,931.32

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Solution

The fourth proportional to 395,257.52, 592,780.78 and 110,931.32 is: 166,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,257.52 : 592,780.78 = 110,931.32 : x
  2. Step 2: Convert to fraction form
    395,257.52/592,780.78 = 110,931.32/x
  3. Step 3: Cross multiply
    395,257.52x = 592,780.78 × 110,931.32
  4. Step 4: Simplify right side
    395,257.52x = 65,757,954,396.03
  5. Step 5: Solve for x
    x = 65,757,954,396.03/395,257.52
  6. Step 6: Final answer
    x = 166,367.37

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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.