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Finding the Fourth Proportional to 329,330.34, 454,474.80 and 178,427.34

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Solution

The fourth proportional to 329,330.34, 454,474.80 and 178,427.34 is: 246,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,330.34 : 454,474.80 = 178,427.34 : x
  2. Step 2: Convert to fraction form
    329,330.34/454,474.80 = 178,427.34/x
  3. Step 3: Cross multiply
    329,330.34x = 454,474.80 × 178,427.34
  4. Step 4: Simplify right side
    329,330.34x = 81,090,729,661.03
  5. Step 5: Solve for x
    x = 81,090,729,661.03/329,330.34
  6. Step 6: Final answer
    x = 246,229.15

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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.