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Finding the Fourth Proportional to 329,669.33, 494,592.78 and 169,658.09

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Solution

The fourth proportional to 329,669.33, 494,592.78 and 169,658.09 is: 254,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,669.33 : 494,592.78 = 169,658.09 : x
  2. Step 2: Convert to fraction form
    329,669.33/494,592.78 = 169,658.09/x
  3. Step 3: Cross multiply
    329,669.33x = 494,592.78 × 169,658.09
  4. Step 4: Simplify right side
    329,669.33x = 83,911,666,382.59
  5. Step 5: Solve for x
    x = 83,911,666,382.59/329,669.33
  6. Step 6: Final answer
    x = 254,532.83

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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.