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Finding the Fourth Proportional to 632.21, 949.52 and 582.39

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Solution

The fourth proportional to 632.21, 949.52 and 582.39 is: 874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.21 : 949.52 = 582.39 : x
  2. Step 2: Convert to fraction form
    632.21/949.52 = 582.39/x
  3. Step 3: Cross multiply
    632.21x = 949.52 × 582.39
  4. Step 4: Simplify right side
    632.21x = 552,992.41
  5. Step 5: Solve for x
    x = 552,992.41/632.21
  6. Step 6: Final answer
    x = 874.70

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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.