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Finding the Fourth Proportional to 352,169.67, 485,994.13 and 199,204.58

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Solution

The fourth proportional to 352,169.67, 485,994.13 and 199,204.58 is: 274,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,169.67 : 485,994.13 = 199,204.58 : x
  2. Step 2: Convert to fraction form
    352,169.67/485,994.13 = 199,204.58/x
  3. Step 3: Cross multiply
    352,169.67x = 485,994.13 × 199,204.58
  4. Step 4: Simplify right side
    352,169.67x = 96,812,257,266.09
  5. Step 5: Solve for x
    x = 96,812,257,266.09/352,169.67
  6. Step 6: Final answer
    x = 274,902.32

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1.5x scale

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.