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Finding the Fourth Proportional to 299,532.62, 449,421.24 and 192,972.26

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Solution

The fourth proportional to 299,532.62, 449,421.24 and 192,972.26 is: 289,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,532.62 : 449,421.24 = 192,972.26 : x
  2. Step 2: Convert to fraction form
    299,532.62/449,421.24 = 192,972.26/x
  3. Step 3: Cross multiply
    299,532.62x = 449,421.24 × 192,972.26
  4. Step 4: Simplify right side
    299,532.62x = 86,725,832,374.80
  5. Step 5: Solve for x
    x = 86,725,832,374.80/299,532.62
  6. Step 6: Final answer
    x = 289,537.19

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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.