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Finding the Fourth Proportional to 597.98, 825.36 and 423.38

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Solution

The fourth proportional to 597.98, 825.36 and 423.38 is: 584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.98 : 825.36 = 423.38 : x
  2. Step 2: Convert to fraction form
    597.98/825.36 = 423.38/x
  3. Step 3: Cross multiply
    597.98x = 825.36 × 423.38
  4. Step 4: Simplify right side
    597.98x = 349,440.92
  5. Step 5: Solve for x
    x = 349,440.92/597.98
  6. Step 6: Final answer
    x = 584.37

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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.