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Finding the Fourth Proportional to 352,773.45, 486,829.89 and 191,628.54

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Solution

The fourth proportional to 352,773.45, 486,829.89 and 191,628.54 is: 264,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,773.45 : 486,829.89 = 191,628.54 : x
  2. Step 2: Convert to fraction form
    352,773.45/486,829.89 = 191,628.54/x
  3. Step 3: Cross multiply
    352,773.45x = 486,829.89 × 191,628.54
  4. Step 4: Simplify right side
    352,773.45x = 93,290,501,049.06
  5. Step 5: Solve for x
    x = 93,290,501,049.06/352,773.45
  6. Step 6: Final answer
    x = 264,448.76

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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.