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Finding the Fourth Proportional to 593.56, 890.22 and 208.68

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Solution

The fourth proportional to 593.56, 890.22 and 208.68 is: 312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.56 : 890.22 = 208.68 : x
  2. Step 2: Convert to fraction form
    593.56/890.22 = 208.68/x
  3. Step 3: Cross multiply
    593.56x = 890.22 × 208.68
  4. Step 4: Simplify right side
    593.56x = 185,771.11
  5. Step 5: Solve for x
    x = 185,771.11/593.56
  6. Step 6: Final answer
    x = 312.98

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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.