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Finding the Fourth Proportional to 329,324.56, 454,467.68 and 178,421.56

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Solution

The fourth proportional to 329,324.56, 454,467.68 and 178,421.56 is: 246,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,324.56 : 454,467.68 = 178,421.56 : x
  2. Step 2: Convert to fraction form
    329,324.56/454,467.68 = 178,421.56/x
  3. Step 3: Cross multiply
    329,324.56x = 454,467.68 × 178,421.56
  4. Step 4: Simplify right side
    329,324.56x = 81,086,832,435.18
  5. Step 5: Solve for x
    x = 81,086,832,435.18/329,324.56
  6. Step 6: Final answer
    x = 246,221.64

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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.