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Finding the Fourth Proportional to 588.67, 881.86 and 528.30

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Solution

The fourth proportional to 588.67, 881.86 and 528.30 is: 791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.67 : 881.86 = 528.30 : x
  2. Step 2: Convert to fraction form
    588.67/881.86 = 528.30/x
  3. Step 3: Cross multiply
    588.67x = 881.86 × 528.30
  4. Step 4: Simplify right side
    588.67x = 465,885.31
  5. Step 5: Solve for x
    x = 465,885.31/588.67
  6. Step 6: Final answer
    x = 791.42

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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.