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Finding the Fourth Proportional to 968.37, 1,336.30 and 526.27

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Solution

The fourth proportional to 968.37, 1,336.30 and 526.27 is: 726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.37 : 1,336.30 = 526.27 : x
  2. Step 2: Convert to fraction form
    968.37/1,336.30 = 526.27/x
  3. Step 3: Cross multiply
    968.37x = 1,336.30 × 526.27
  4. Step 4: Simplify right side
    968.37x = 703,255.61
  5. Step 5: Solve for x
    x = 703,255.61/968.37
  6. Step 6: Final answer
    x = 726.22

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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.