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Finding the Fourth Proportional to 584.48, 806.64 and 531.92

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Solution

The fourth proportional to 584.48, 806.64 and 531.92 is: 734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.48 : 806.64 = 531.92 : x
  2. Step 2: Convert to fraction form
    584.48/806.64 = 531.92/x
  3. Step 3: Cross multiply
    584.48x = 806.64 × 531.92
  4. Step 4: Simplify right side
    584.48x = 429,067.95
  5. Step 5: Solve for x
    x = 429,067.95/584.48
  6. Step 6: Final answer
    x = 734.10

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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.