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Finding the Fourth Proportional to 352,734.96, 486,777.81 and 191,593.15

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Solution

The fourth proportional to 352,734.96, 486,777.81 and 191,593.15 is: 264,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,734.96 : 486,777.81 = 191,593.15 : x
  2. Step 2: Convert to fraction form
    352,734.96/486,777.81 = 191,593.15/x
  3. Step 3: Cross multiply
    352,734.96x = 486,777.81 × 191,593.15
  4. Step 4: Simplify right side
    352,734.96x = 93,263,293,968.00
  5. Step 5: Solve for x
    x = 93,263,293,968.00/352,734.96
  6. Step 6: Final answer
    x = 264,400.48

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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.