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Finding the Fourth Proportional to 703.97, 971.46 and 424.44

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Solution

The fourth proportional to 703.97, 971.46 and 424.44 is: 585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.97 : 971.46 = 424.44 : x
  2. Step 2: Convert to fraction form
    703.97/971.46 = 424.44/x
  3. Step 3: Cross multiply
    703.97x = 971.46 × 424.44
  4. Step 4: Simplify right side
    703.97x = 412,326.48
  5. Step 5: Solve for x
    x = 412,326.48/703.97
  6. Step 6: Final answer
    x = 585.72

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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.