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Finding the Fourth Proportional to 962.53, 1,442.48 and 413.96

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Solution

The fourth proportional to 962.53, 1,442.48 and 413.96 is: 620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.53 : 1,442.48 = 413.96 : x
  2. Step 2: Convert to fraction form
    962.53/1,442.48 = 413.96/x
  3. Step 3: Cross multiply
    962.53x = 1,442.48 × 413.96
  4. Step 4: Simplify right side
    962.53x = 597,119.74
  5. Step 5: Solve for x
    x = 597,119.74/962.53
  6. Step 6: Final answer
    x = 620.37

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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.