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Finding the Fourth Proportional to 962.95, 1,444.66 and 414.83

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Solution

The fourth proportional to 962.95, 1,444.66 and 414.83 is: 622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.95 : 1,444.66 = 414.83 : x
  2. Step 2: Convert to fraction form
    962.95/1,444.66 = 414.83/x
  3. Step 3: Cross multiply
    962.95x = 1,444.66 × 414.83
  4. Step 4: Simplify right side
    962.95x = 599,290.88
  5. Step 5: Solve for x
    x = 599,290.88/962.95
  6. Step 6: Final answer
    x = 622.35

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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.