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Finding the Fourth Proportional to 773.13, 1,160.28 and 464.04

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Solution

The fourth proportional to 773.13, 1,160.28 and 464.04 is: 696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.13 : 1,160.28 = 464.04 : x
  2. Step 2: Convert to fraction form
    773.13/1,160.28 = 464.04/x
  3. Step 3: Cross multiply
    773.13x = 1,160.28 × 464.04
  4. Step 4: Simplify right side
    773.13x = 538,416.33
  5. Step 5: Solve for x
    x = 538,416.33/773.13
  6. Step 6: Final answer
    x = 696.41

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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.