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Finding the Fourth Proportional to 351,159.48, 484,599.51 and 198,229.86

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Solution

The fourth proportional to 351,159.48, 484,599.51 and 198,229.86 is: 273,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,159.48 : 484,599.51 = 198,229.86 : x
  2. Step 2: Convert to fraction form
    351,159.48/484,599.51 = 198,229.86/x
  3. Step 3: Cross multiply
    351,159.48x = 484,599.51 × 198,229.86
  4. Step 4: Simplify right side
    351,159.48x = 96,062,093,023.37
  5. Step 5: Solve for x
    x = 96,062,093,023.37/351,159.48
  6. Step 6: Final answer
    x = 273,556.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.