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Finding the Fourth Proportional to 567,016.80, 850,525.20 and 521,745.90

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Solution

The fourth proportional to 567,016.80, 850,525.20 and 521,745.90 is: 782,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,016.80 : 850,525.20 = 521,745.90 : x
  2. Step 2: Convert to fraction form
    567,016.80/850,525.20 = 521,745.90/x
  3. Step 3: Cross multiply
    567,016.80x = 850,525.20 × 521,745.90
  4. Step 4: Simplify right side
    567,016.80x = 443,758,035,946.68
  5. Step 5: Solve for x
    x = 443,758,035,946.68/567,016.80
  6. Step 6: Final answer
    x = 782,618.85

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Double scale
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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.