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Finding the Fourth Proportional to 729.48, 1,094.22 and 566.70

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Solution

The fourth proportional to 729.48, 1,094.22 and 566.70 is: 850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.48 : 1,094.22 = 566.70 : x
  2. Step 2: Convert to fraction form
    729.48/1,094.22 = 566.70/x
  3. Step 3: Cross multiply
    729.48x = 1,094.22 × 566.70
  4. Step 4: Simplify right side
    729.48x = 620,094.47
  5. Step 5: Solve for x
    x = 620,094.47/729.48
  6. Step 6: Final answer
    x = 850.05

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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.