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Finding the Fourth Proportional to 597,167.50, 824,638.84 and 379,447.89

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Solution

The fourth proportional to 597,167.50, 824,638.84 and 379,447.89 is: 523,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,167.50 : 824,638.84 = 379,447.89 : x
  2. Step 2: Convert to fraction form
    597,167.50/824,638.84 = 379,447.89/x
  3. Step 3: Cross multiply
    597,167.50x = 824,638.84 × 379,447.89
  4. Step 4: Simplify right side
    597,167.50x = 312,907,467,850.05
  5. Step 5: Solve for x
    x = 312,907,467,850.05/597,167.50
  6. Step 6: Final answer
    x = 523,986.10

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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.