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Finding the Fourth Proportional to 593.26, 889.90 and 285.06

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Solution

The fourth proportional to 593.26, 889.90 and 285.06 is: 427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.26 : 889.90 = 285.06 : x
  2. Step 2: Convert to fraction form
    593.26/889.90 = 285.06/x
  3. Step 3: Cross multiply
    593.26x = 889.90 × 285.06
  4. Step 4: Simplify right side
    593.26x = 253,674.89
  5. Step 5: Solve for x
    x = 253,674.89/593.26
  6. Step 6: Final answer
    x = 427.59

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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.