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Finding the Fourth Proportional to 567,028.80, 850,543.20 and 521,757.90

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Solution

The fourth proportional to 567,028.80, 850,543.20 and 521,757.90 is: 782,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,028.80 : 850,543.20 = 521,757.90 : x
  2. Step 2: Convert to fraction form
    567,028.80/850,543.20 = 521,757.90/x
  3. Step 3: Cross multiply
    567,028.80x = 850,543.20 × 521,757.90
  4. Step 4: Simplify right side
    567,028.80x = 443,777,633,891.28
  5. Step 5: Solve for x
    x = 443,777,633,891.28/567,028.80
  6. Step 6: Final answer
    x = 782,636.85

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Similar ratio
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1.5x scale

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.