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Finding the Fourth Proportional to 352,495.96, 486,447.29 and 195,334.51

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Solution

The fourth proportional to 352,495.96, 486,447.29 and 195,334.51 is: 269,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,495.96 : 486,447.29 = 195,334.51 : x
  2. Step 2: Convert to fraction form
    352,495.96/486,447.29 = 195,334.51/x
  3. Step 3: Cross multiply
    352,495.96x = 486,447.29 × 195,334.51
  4. Step 4: Simplify right side
    352,495.96x = 95,019,941,935.40
  5. Step 5: Solve for x
    x = 95,019,941,935.40/352,495.96
  6. Step 6: Final answer
    x = 269,563.21

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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.