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Finding the Fourth Proportional to 593.70, 890.75 and 281.48

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Solution

The fourth proportional to 593.70, 890.75 and 281.48 is: 422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.70 : 890.75 = 281.48 : x
  2. Step 2: Convert to fraction form
    593.70/890.75 = 281.48/x
  3. Step 3: Cross multiply
    593.70x = 890.75 × 281.48
  4. Step 4: Simplify right side
    593.70x = 250,729.13
  5. Step 5: Solve for x
    x = 250,729.13/593.70
  6. Step 6: Final answer
    x = 422.32

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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.