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Finding the Fourth Proportional to 567,467.70, 851,201.55 and 331,077.30

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Solution

The fourth proportional to 567,467.70, 851,201.55 and 331,077.30 is: 496,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,467.70 : 851,201.55 = 331,077.30 : x
  2. Step 2: Convert to fraction form
    567,467.70/851,201.55 = 331,077.30/x
  3. Step 3: Cross multiply
    567,467.70x = 851,201.55 × 331,077.30
  4. Step 4: Simplify right side
    567,467.70x = 281,813,510,929.82
  5. Step 5: Solve for x
    x = 281,813,510,929.82/567,467.70
  6. Step 6: Final answer
    x = 496,615.95

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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.