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Finding the Fourth Proportional to 329,868.33, 494,538.33 and 216,720.24

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Solution

The fourth proportional to 329,868.33, 494,538.33 and 216,720.24 is: 324,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,868.33 : 494,538.33 = 216,720.24 : x
  2. Step 2: Convert to fraction form
    329,868.33/494,538.33 = 216,720.24/x
  3. Step 3: Cross multiply
    329,868.33x = 494,538.33 × 216,720.24
  4. Step 4: Simplify right side
    329,868.33x = 107,176,465,566.80
  5. Step 5: Solve for x
    x = 107,176,465,566.80/329,868.33
  6. Step 6: Final answer
    x = 324,906.81

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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.