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Finding the Fourth Proportional to 706.43, 974.69 and 444.26

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Solution

The fourth proportional to 706.43, 974.69 and 444.26 is: 612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.43 : 974.69 = 444.26 : x
  2. Step 2: Convert to fraction form
    706.43/974.69 = 444.26/x
  3. Step 3: Cross multiply
    706.43x = 974.69 × 444.26
  4. Step 4: Simplify right side
    706.43x = 433,008.68
  5. Step 5: Solve for x
    x = 433,008.68/706.43
  6. Step 6: Final answer
    x = 612.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.