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Finding the Fourth Proportional to 352,339.88, 486,115.96 and 197,268.32

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Solution

The fourth proportional to 352,339.88, 486,115.96 and 197,268.32 is: 272,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,339.88 : 486,115.96 = 197,268.32 : x
  2. Step 2: Convert to fraction form
    352,339.88/486,115.96 = 197,268.32/x
  3. Step 3: Cross multiply
    352,339.88x = 486,115.96 × 197,268.32
  4. Step 4: Simplify right side
    352,339.88x = 95,895,278,754.39
  5. Step 5: Solve for x
    x = 95,895,278,754.39/352,339.88
  6. Step 6: Final answer
    x = 272,166.97

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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.