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Finding the Fourth Proportional to 582.44, 874.94 and 454.44

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Solution

The fourth proportional to 582.44, 874.94 and 454.44 is: 682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.44 : 874.94 = 454.44 : x
  2. Step 2: Convert to fraction form
    582.44/874.94 = 454.44/x
  3. Step 3: Cross multiply
    582.44x = 874.94 × 454.44
  4. Step 4: Simplify right side
    582.44x = 397,607.73
  5. Step 5: Solve for x
    x = 397,607.73/582.44
  6. Step 6: Final answer
    x = 682.66

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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.