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Finding the Fourth Proportional to 589.85, 884.86 and 178.93

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Solution

The fourth proportional to 589.85, 884.86 and 178.93 is: 268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.85 : 884.86 = 178.93 : x
  2. Step 2: Convert to fraction form
    589.85/884.86 = 178.93/x
  3. Step 3: Cross multiply
    589.85x = 884.86 × 178.93
  4. Step 4: Simplify right side
    589.85x = 158,325.34
  5. Step 5: Solve for x
    x = 158,325.34/589.85
  6. Step 6: Final answer
    x = 268.42

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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.