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Finding the Fourth Proportional to 706.47, 1,060.20 and 341.43

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Solution

The fourth proportional to 706.47, 1,060.20 and 341.43 is: 512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.47 : 1,060.20 = 341.43 : x
  2. Step 2: Convert to fraction form
    706.47/1,060.20 = 341.43/x
  3. Step 3: Cross multiply
    706.47x = 1,060.20 × 341.43
  4. Step 4: Simplify right side
    706.47x = 361,984.09
  5. Step 5: Solve for x
    x = 361,984.09/706.47
  6. Step 6: Final answer
    x = 512.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.