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Finding the Fourth Proportional to 592.72, 890.33 and 361.73

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Solution

The fourth proportional to 592.72, 890.33 and 361.73 is: 543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.72 : 890.33 = 361.73 : x
  2. Step 2: Convert to fraction form
    592.72/890.33 = 361.73/x
  3. Step 3: Cross multiply
    592.72x = 890.33 × 361.73
  4. Step 4: Simplify right side
    592.72x = 322,059.49
  5. Step 5: Solve for x
    x = 322,059.49/592.72
  6. Step 6: Final answer
    x = 543.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.