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Finding the Fourth Proportional to 706.44, 1,060.20 and 341.44

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Solution

The fourth proportional to 706.44, 1,060.20 and 341.44 is: 512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.44 : 1,060.20 = 341.44 : x
  2. Step 2: Convert to fraction form
    706.44/1,060.20 = 341.44/x
  3. Step 3: Cross multiply
    706.44x = 1,060.20 × 341.44
  4. Step 4: Simplify right side
    706.44x = 361,994.69
  5. Step 5: Solve for x
    x = 361,994.69/706.44
  6. Step 6: Final answer
    x = 512.42

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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.