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Finding the Fourth Proportional to 962.50, 1,444.21 and 523.73

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Solution

The fourth proportional to 962.50, 1,444.21 and 523.73 is: 785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.50 : 1,444.21 = 523.73 : x
  2. Step 2: Convert to fraction form
    962.50/1,444.21 = 523.73/x
  3. Step 3: Cross multiply
    962.50x = 1,444.21 × 523.73
  4. Step 4: Simplify right side
    962.50x = 756,383.29
  5. Step 5: Solve for x
    x = 756,383.29/962.50
  6. Step 6: Final answer
    x = 785.85

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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.