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Finding the Fourth Proportional to 352,770.69, 486,826.10 and 191,625.79

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Solution

The fourth proportional to 352,770.69, 486,826.10 and 191,625.79 is: 264,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,770.69 : 486,826.10 = 191,625.79 : x
  2. Step 2: Convert to fraction form
    352,770.69/486,826.10 = 191,625.79/x
  3. Step 3: Cross multiply
    352,770.69x = 486,826.10 × 191,625.79
  4. Step 4: Simplify right side
    352,770.69x = 93,288,436,005.12
  5. Step 5: Solve for x
    x = 93,288,436,005.12/352,770.69
  6. Step 6: Final answer
    x = 264,444.97

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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.