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Finding the Fourth Proportional to 352,663.96, 486,674.76 and 191,517.88

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Solution

The fourth proportional to 352,663.96, 486,674.76 and 191,517.88 is: 264,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,663.96 : 486,674.76 = 191,517.88 : x
  2. Step 2: Convert to fraction form
    352,663.96/486,674.76 = 191,517.88/x
  3. Step 3: Cross multiply
    352,663.96x = 486,674.76 × 191,517.88
  4. Step 4: Simplify right side
    352,663.96x = 93,206,918,284.71
  5. Step 5: Solve for x
    x = 93,206,918,284.71/352,663.96
  6. Step 6: Final answer
    x = 264,293.86

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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.