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Finding the Fourth Proportional to 593.42, 890.56 and 557.56

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Solution

The fourth proportional to 593.42, 890.56 and 557.56 is: 836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.42 : 890.56 = 557.56 : x
  2. Step 2: Convert to fraction form
    593.42/890.56 = 557.56/x
  3. Step 3: Cross multiply
    593.42x = 890.56 × 557.56
  4. Step 4: Simplify right side
    593.42x = 496,540.63
  5. Step 5: Solve for x
    x = 496,540.63/593.42
  6. Step 6: Final answer
    x = 836.74

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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.