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Finding the Fourth Proportional to 593.97, 890.66 and 281.53

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Solution

The fourth proportional to 593.97, 890.66 and 281.53 is: 422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.97 : 890.66 = 281.53 : x
  2. Step 2: Convert to fraction form
    593.97/890.66 = 281.53/x
  3. Step 3: Cross multiply
    593.97x = 890.66 × 281.53
  4. Step 4: Simplify right side
    593.97x = 250,742.73
  5. Step 5: Solve for x
    x = 250,742.73/593.97
  6. Step 6: Final answer
    x = 422.15

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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.