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Finding the Fourth Proportional to 592.68, 818.28 and 427.44

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Solution

The fourth proportional to 592.68, 818.28 and 427.44 is: 590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.68 : 818.28 = 427.44 : x
  2. Step 2: Convert to fraction form
    592.68/818.28 = 427.44/x
  3. Step 3: Cross multiply
    592.68x = 818.28 × 427.44
  4. Step 4: Simplify right side
    592.68x = 349,765.60
  5. Step 5: Solve for x
    x = 349,765.60/592.68
  6. Step 6: Final answer
    x = 590.14

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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.