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Finding the Fourth Proportional to 329,729.34, 494,593.23 and 216,591.30

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Solution

The fourth proportional to 329,729.34, 494,593.23 and 216,591.30 is: 324,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,729.34 : 494,593.23 = 216,591.30 : x
  2. Step 2: Convert to fraction form
    329,729.34/494,593.23 = 216,591.30/x
  3. Step 3: Cross multiply
    329,729.34x = 494,593.23 × 216,591.30
  4. Step 4: Simplify right side
    329,729.34x = 107,124,591,469.12
  5. Step 5: Solve for x
    x = 107,124,591,469.12/329,729.34
  6. Step 6: Final answer
    x = 324,886.44

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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.