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Finding the Fourth Proportional to 323,127.30, 445,850.52 and 195,728.88

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Solution

The fourth proportional to 323,127.30, 445,850.52 and 195,728.88 is: 270,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,127.30 : 445,850.52 = 195,728.88 : x
  2. Step 2: Convert to fraction form
    323,127.30/445,850.52 = 195,728.88/x
  3. Step 3: Cross multiply
    323,127.30x = 445,850.52 × 195,728.88
  4. Step 4: Simplify right side
    323,127.30x = 87,265,822,927.02
  5. Step 5: Solve for x
    x = 87,265,822,927.02/323,127.30
  6. Step 6: Final answer
    x = 270,066.39

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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.