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Finding the Fourth Proportional to 352,179.94, 486,008.36 and 199,214.88

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Solution

The fourth proportional to 352,179.94, 486,008.36 and 199,214.88 is: 274,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,179.94 : 486,008.36 = 199,214.88 : x
  2. Step 2: Convert to fraction form
    352,179.94/486,008.36 = 199,214.88/x
  3. Step 3: Cross multiply
    352,179.94x = 486,008.36 × 199,214.88
  4. Step 4: Simplify right side
    352,179.94x = 96,820,097,116.40
  5. Step 5: Solve for x
    x = 96,820,097,116.40/352,179.94
  6. Step 6: Final answer
    x = 274,916.56

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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.