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Finding the Fourth Proportional to 573.93, 791.55 and 352.67

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Solution

The fourth proportional to 573.93, 791.55 and 352.67 is: 486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.93 : 791.55 = 352.67 : x
  2. Step 2: Convert to fraction form
    573.93/791.55 = 352.67/x
  3. Step 3: Cross multiply
    573.93x = 791.55 × 352.67
  4. Step 4: Simplify right side
    573.93x = 279,151.98
  5. Step 5: Solve for x
    x = 279,151.98/573.93
  6. Step 6: Final answer
    x = 486.39

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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.