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Finding the Fourth Proportional to 792.66, 1,094.28 and 531.12

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Solution

The fourth proportional to 792.66, 1,094.28 and 531.12 is: 733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.66 : 1,094.28 = 531.12 : x
  2. Step 2: Convert to fraction form
    792.66/1,094.28 = 531.12/x
  3. Step 3: Cross multiply
    792.66x = 1,094.28 × 531.12
  4. Step 4: Simplify right side
    792.66x = 581,193.99
  5. Step 5: Solve for x
    x = 581,193.99/792.66
  6. Step 6: Final answer
    x = 733.22

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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.