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Finding the Fourth Proportional to 327,017.68, 451,205.56 and 190,974.40

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Solution

The fourth proportional to 327,017.68, 451,205.56 and 190,974.40 is: 263,498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,017.68 : 451,205.56 = 190,974.40 : x
  2. Step 2: Convert to fraction form
    327,017.68/451,205.56 = 190,974.40/x
  3. Step 3: Cross multiply
    327,017.68x = 451,205.56 × 190,974.40
  4. Step 4: Simplify right side
    327,017.68x = 86,168,711,097.66
  5. Step 5: Solve for x
    x = 86,168,711,097.66/327,017.68
  6. Step 6: Final answer
    x = 263,498.63

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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.