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Finding the Fourth Proportional to 589, 883.54 and 223.76

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Solution

The fourth proportional to 589, 883.54 and 223.76 is: 335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    589 : 883.54 = 223.76 : x
  2. Step 2: Convert to fraction form
    589/883.54 = 223.76/x
  3. Step 3: Cross multiply
    589x = 883.54 × 223.76
  4. Step 4: Simplify right side
    589x = 197,700.91
  5. Step 5: Solve for x
    x = 197,700.91/589
  6. Step 6: Final answer
    x = 335.66

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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.