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Finding the Fourth Proportional to 593.69, 890.42 and 228.43

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Solution

The fourth proportional to 593.69, 890.42 and 228.43 is: 342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.69 : 890.42 = 228.43 : x
  2. Step 2: Convert to fraction form
    593.69/890.42 = 228.43/x
  3. Step 3: Cross multiply
    593.69x = 890.42 × 228.43
  4. Step 4: Simplify right side
    593.69x = 203,396.75
  5. Step 5: Solve for x
    x = 203,396.75/593.69
  6. Step 6: Final answer
    x = 342.60

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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.