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Finding the Fourth Proportional to 714.96, 1,073.14 and 586.48

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Solution

The fourth proportional to 714.96, 1,073.14 and 586.48 is: 880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    714.96 : 1,073.14 = 586.48 : x
  2. Step 2: Convert to fraction form
    714.96/1,073.14 = 586.48/x
  3. Step 3: Cross multiply
    714.96x = 1,073.14 × 586.48
  4. Step 4: Simplify right side
    714.96x = 629,375.15
  5. Step 5: Solve for x
    x = 629,375.15/714.96
  6. Step 6: Final answer
    x = 880.29

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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.