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Finding the Fourth Proportional to 593.75, 890.68 and 155.06

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Solution

The fourth proportional to 593.75, 890.68 and 155.06 is: 232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.75 : 890.68 = 155.06 : x
  2. Step 2: Convert to fraction form
    593.75/890.68 = 155.06/x
  3. Step 3: Cross multiply
    593.75x = 890.68 × 155.06
  4. Step 4: Simplify right side
    593.75x = 138,112.64
  5. Step 5: Solve for x
    x = 138,112.64/593.75
  6. Step 6: Final answer
    x = 232.61

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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.