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Finding the Fourth Proportional to 598.39, 825.26 and 572.13

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Solution

The fourth proportional to 598.39, 825.26 and 572.13 is: 789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.39 : 825.26 = 572.13 : x
  2. Step 2: Convert to fraction form
    598.39/825.26 = 572.13/x
  3. Step 3: Cross multiply
    598.39x = 825.26 × 572.13
  4. Step 4: Simplify right side
    598.39x = 472,153.14
  5. Step 5: Solve for x
    x = 472,153.14/598.39
  6. Step 6: Final answer
    x = 789.04

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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.