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Finding the Fourth Proportional to 396,757.01, 597,280.50 and 361,445.25

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Solution

The fourth proportional to 396,757.01, 597,280.50 and 361,445.25 is: 544,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,757.01 : 597,280.50 = 361,445.25 : x
  2. Step 2: Convert to fraction form
    396,757.01/597,280.50 = 361,445.25/x
  3. Step 3: Cross multiply
    396,757.01x = 597,280.50 × 361,445.25
  4. Step 4: Simplify right side
    396,757.01x = 215,884,199,642.63
  5. Step 5: Solve for x
    x = 215,884,199,642.63/396,757.01
  6. Step 6: Final answer
    x = 544,121.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.