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Finding the Fourth Proportional to 352,593.07, 486,564.79 and 191,444.43

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Solution

The fourth proportional to 352,593.07, 486,564.79 and 191,444.43 is: 264,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,593.07 : 486,564.79 = 191,444.43 : x
  2. Step 2: Convert to fraction form
    352,593.07/486,564.79 = 191,444.43/x
  3. Step 3: Cross multiply
    352,593.07x = 486,564.79 × 191,444.43
  4. Step 4: Simplify right side
    352,593.07x = 93,150,117,847.66
  5. Step 5: Solve for x
    x = 93,150,117,847.66/352,593.07
  6. Step 6: Final answer
    x = 264,185.90

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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.