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Finding the Fourth Proportional to 597.88, 825.48 and 422.92

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Solution

The fourth proportional to 597.88, 825.48 and 422.92 is: 583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.88 : 825.48 = 422.92 : x
  2. Step 2: Convert to fraction form
    597.88/825.48 = 422.92/x
  3. Step 3: Cross multiply
    597.88x = 825.48 × 422.92
  4. Step 4: Simplify right side
    597.88x = 349,105.76
  5. Step 5: Solve for x
    x = 349,105.76/597.88
  6. Step 6: Final answer
    x = 583.91

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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.