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Finding the Fourth Proportional to 962.62, 1,444.52 and 414.79

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Solution

The fourth proportional to 962.62, 1,444.52 and 414.79 is: 622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.62 : 1,444.52 = 414.79 : x
  2. Step 2: Convert to fraction form
    962.62/1,444.52 = 414.79/x
  3. Step 3: Cross multiply
    962.62x = 1,444.52 × 414.79
  4. Step 4: Simplify right side
    962.62x = 599,167.54
  5. Step 5: Solve for x
    x = 599,167.54/962.62
  6. Step 6: Final answer
    x = 622.44

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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.