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Finding the Fourth Proportional to 722.52, 996.84 and 575.04

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Solution

The fourth proportional to 722.52, 996.84 and 575.04 is: 793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.52 : 996.84 = 575.04 : x
  2. Step 2: Convert to fraction form
    722.52/996.84 = 575.04/x
  3. Step 3: Cross multiply
    722.52x = 996.84 × 575.04
  4. Step 4: Simplify right side
    722.52x = 573,222.87
  5. Step 5: Solve for x
    x = 573,222.87/722.52
  6. Step 6: Final answer
    x = 793.37

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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.