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Finding the Fourth Proportional to 588.99, 884.06 and 281.06

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Solution

The fourth proportional to 588.99, 884.06 and 281.06 is: 421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.99 : 884.06 = 281.06 : x
  2. Step 2: Convert to fraction form
    588.99/884.06 = 281.06/x
  3. Step 3: Cross multiply
    588.99x = 884.06 × 281.06
  4. Step 4: Simplify right side
    588.99x = 248,473.90
  5. Step 5: Solve for x
    x = 248,473.90/588.99
  6. Step 6: Final answer
    x = 421.86

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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.