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Finding the Fourth Proportional to 327,713.60, 491,570.40 and 222,737.60

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Solution

The fourth proportional to 327,713.60, 491,570.40 and 222,737.60 is: 334,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,713.60 : 491,570.40 = 222,737.60 : x
  2. Step 2: Convert to fraction form
    327,713.60/491,570.40 = 222,737.60/x
  3. Step 3: Cross multiply
    327,713.60x = 491,570.40 × 222,737.60
  4. Step 4: Simplify right side
    327,713.60x = 109,491,211,127.04
  5. Step 5: Solve for x
    x = 109,491,211,127.04/327,713.60
  6. Step 6: Final answer
    x = 334,106.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.