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Finding the Fourth Proportional to 963.04, 1,444.24 and 414.88

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Solution

The fourth proportional to 963.04, 1,444.24 and 414.88 is: 622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.04 : 1,444.24 = 414.88 : x
  2. Step 2: Convert to fraction form
    963.04/1,444.24 = 414.88/x
  3. Step 3: Cross multiply
    963.04x = 1,444.24 × 414.88
  4. Step 4: Simplify right side
    963.04x = 599,186.29
  5. Step 5: Solve for x
    x = 599,186.29/963.04
  6. Step 6: Final answer
    x = 622.18

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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.