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Finding the Fourth Proportional to 588.15, 881.49 and 514.85

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Solution

The fourth proportional to 588.15, 881.49 and 514.85 is: 771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.15 : 881.49 = 514.85 : x
  2. Step 2: Convert to fraction form
    588.15/881.49 = 514.85/x
  3. Step 3: Cross multiply
    588.15x = 881.49 × 514.85
  4. Step 4: Simplify right side
    588.15x = 453,835.13
  5. Step 5: Solve for x
    x = 453,835.13/588.15
  6. Step 6: Final answer
    x = 771.63

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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.