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Finding the Fourth Proportional to 265,192.38, 397,801.68 and 75,680.68

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Solution

The fourth proportional to 265,192.38, 397,801.68 and 75,680.68 is: 113,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,192.38 : 397,801.68 = 75,680.68 : x
  2. Step 2: Convert to fraction form
    265,192.38/397,801.68 = 75,680.68/x
  3. Step 3: Cross multiply
    265,192.38x = 397,801.68 × 75,680.68
  4. Step 4: Simplify right side
    265,192.38x = 30,105,901,540.82
  5. Step 5: Solve for x
    x = 30,105,901,540.82/265,192.38
  6. Step 6: Final answer
    x = 113,524.76

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1.5x scale

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.