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Finding the Fourth Proportional to 352,663.30, 486,673.86 and 191,517.04

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Solution

The fourth proportional to 352,663.30, 486,673.86 and 191,517.04 is: 264,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,663.30 : 486,673.86 = 191,517.04 : x
  2. Step 2: Convert to fraction form
    352,663.30/486,673.86 = 191,517.04/x
  3. Step 3: Cross multiply
    352,663.30x = 486,673.86 × 191,517.04
  4. Step 4: Simplify right side
    352,663.30x = 93,206,337,112.57
  5. Step 5: Solve for x
    x = 93,206,337,112.57/352,663.30
  6. Step 6: Final answer
    x = 264,292.70

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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.