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Finding the Fourth Proportional to 573.84, 791.65 and 352.66

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Solution

The fourth proportional to 573.84, 791.65 and 352.66 is: 486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.84 : 791.65 = 352.66 : x
  2. Step 2: Convert to fraction form
    573.84/791.65 = 352.66/x
  3. Step 3: Cross multiply
    573.84x = 791.65 × 352.66
  4. Step 4: Simplify right side
    573.84x = 279,181.53
  5. Step 5: Solve for x
    x = 279,181.53/573.84
  6. Step 6: Final answer
    x = 486.51

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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.