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Finding the Fourth Proportional to 708.24, 1,062.44 and 297.34

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Solution

The fourth proportional to 708.24, 1,062.44 and 297.34 is: 446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.24 : 1,062.44 = 297.34 : x
  2. Step 2: Convert to fraction form
    708.24/1,062.44 = 297.34/x
  3. Step 3: Cross multiply
    708.24x = 1,062.44 × 297.34
  4. Step 4: Simplify right side
    708.24x = 315,905.91
  5. Step 5: Solve for x
    x = 315,905.91/708.24
  6. Step 6: Final answer
    x = 446.04

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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.