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Finding the Fourth Proportional to 567,193.89, 782,679.38 and 325,471.26

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Solution

The fourth proportional to 567,193.89, 782,679.38 and 325,471.26 is: 449,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,193.89 : 782,679.38 = 325,471.26 : x
  2. Step 2: Convert to fraction form
    567,193.89/782,679.38 = 325,471.26/x
  3. Step 3: Cross multiply
    567,193.89x = 782,679.38 × 325,471.26
  4. Step 4: Simplify right side
    567,193.89x = 254,739,643,984.62
  5. Step 5: Solve for x
    x = 254,739,643,984.62/567,193.89
  6. Step 6: Final answer
    x = 449,122.69

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.