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Finding the Fourth Proportional to 567,385.20, 851,077.80 and 330,994.80

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Solution

The fourth proportional to 567,385.20, 851,077.80 and 330,994.80 is: 496,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,385.20 : 851,077.80 = 330,994.80 : x
  2. Step 2: Convert to fraction form
    567,385.20/851,077.80 = 330,994.80/x
  3. Step 3: Cross multiply
    567,385.20x = 851,077.80 × 330,994.80
  4. Step 4: Simplify right side
    567,385.20x = 281,702,326,195.44
  5. Step 5: Solve for x
    x = 281,702,326,195.44/567,385.20
  6. Step 6: Final answer
    x = 496,492.20

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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.