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Finding the Fourth Proportional to 589.95, 884.42 and 225

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Solution

The fourth proportional to 589.95, 884.42 and 225 is: 337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.95 : 884.42 = 225 : x
  2. Step 2: Convert to fraction form
    589.95/884.42 = 225/x
  3. Step 3: Cross multiply
    589.95x = 884.42 × 225
  4. Step 4: Simplify right side
    589.95x = 198,994.50
  5. Step 5: Solve for x
    x = 198,994.50/589.95
  6. Step 6: Final answer
    x = 337.31

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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.