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Finding the Fourth Proportional to 593.90, 890.76 and 161

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Solution

The fourth proportional to 593.90, 890.76 and 161 is: 241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.90 : 890.76 = 161 : x
  2. Step 2: Convert to fraction form
    593.90/890.76 = 161/x
  3. Step 3: Cross multiply
    593.90x = 890.76 × 161
  4. Step 4: Simplify right side
    593.90x = 143,412.36
  5. Step 5: Solve for x
    x = 143,412.36/593.90
  6. Step 6: Final answer
    x = 241.48

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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.