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Finding the Fourth Proportional to 701.56, 1,052.24 and 239.32

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Solution

The fourth proportional to 701.56, 1,052.24 and 239.32 is: 358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.56 : 1,052.24 = 239.32 : x
  2. Step 2: Convert to fraction form
    701.56/1,052.24 = 239.32/x
  3. Step 3: Cross multiply
    701.56x = 1,052.24 × 239.32
  4. Step 4: Simplify right side
    701.56x = 251,822.08
  5. Step 5: Solve for x
    x = 251,822.08/701.56
  6. Step 6: Final answer
    x = 358.95

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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.