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Finding the Fourth Proportional to 593.92, 890.88 and 305.56

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Solution

The fourth proportional to 593.92, 890.88 and 305.56 is: 458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.92 : 890.88 = 305.56 : x
  2. Step 2: Convert to fraction form
    593.92/890.88 = 305.56/x
  3. Step 3: Cross multiply
    593.92x = 890.88 × 305.56
  4. Step 4: Simplify right side
    593.92x = 272,217.29
  5. Step 5: Solve for x
    x = 272,217.29/593.92
  6. Step 6: Final answer
    x = 458.34

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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.