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Finding the Fourth Proportional to 577.24, 796.59 and 356.26

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Solution

The fourth proportional to 577.24, 796.59 and 356.26 is: 491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.24 : 796.59 = 356.26 : x
  2. Step 2: Convert to fraction form
    577.24/796.59 = 356.26/x
  3. Step 3: Cross multiply
    577.24x = 796.59 × 356.26
  4. Step 4: Simplify right side
    577.24x = 283,793.15
  5. Step 5: Solve for x
    x = 283,793.15/577.24
  6. Step 6: Final answer
    x = 491.64

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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.