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Finding the Fourth Proportional to 329,322.56, 454,464.92 and 178,419.56

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Solution

The fourth proportional to 329,322.56, 454,464.92 and 178,419.56 is: 246,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,322.56 : 454,464.92 = 178,419.56 : x
  2. Step 2: Convert to fraction form
    329,322.56/454,464.92 = 178,419.56/x
  3. Step 3: Cross multiply
    329,322.56x = 454,464.92 × 178,419.56
  4. Step 4: Simplify right side
    329,322.56x = 81,085,431,061.84
  5. Step 5: Solve for x
    x = 81,085,431,061.84/329,322.56
  6. Step 6: Final answer
    x = 246,218.88

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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.