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Finding the Fourth Proportional to 396,452.88, 546,822.33 and 363,852.29

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Solution

The fourth proportional to 396,452.88, 546,822.33 and 363,852.29 is: 501,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,452.88 : 546,822.33 = 363,852.29 : x
  2. Step 2: Convert to fraction form
    396,452.88/546,822.33 = 363,852.29/x
  3. Step 3: Cross multiply
    396,452.88x = 546,822.33 × 363,852.29
  4. Step 4: Simplify right side
    396,452.88x = 198,962,554,259.52
  5. Step 5: Solve for x
    x = 198,962,554,259.52/396,452.88
  6. Step 6: Final answer
    x = 501,856.75

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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.