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Finding the Fourth Proportional to 567,505.98, 851,276.79 and 212,452.20

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Solution

The fourth proportional to 567,505.98, 851,276.79 and 212,452.20 is: 318,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,505.98 : 851,276.79 = 212,452.20 : x
  2. Step 2: Convert to fraction form
    567,505.98/851,276.79 = 212,452.20/x
  3. Step 3: Cross multiply
    567,505.98x = 851,276.79 × 212,452.20
  4. Step 4: Simplify right side
    567,505.98x = 180,855,626,844.44
  5. Step 5: Solve for x
    x = 180,855,626,844.44/567,505.98
  6. Step 6: Final answer
    x = 318,684.97

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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.