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Finding the Fourth Proportional to 905.52, 1,356.50 and 596.44

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Solution

The fourth proportional to 905.52, 1,356.50 and 596.44 is: 893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    905.52 : 1,356.50 = 596.44 : x
  2. Step 2: Convert to fraction form
    905.52/1,356.50 = 596.44/x
  3. Step 3: Cross multiply
    905.52x = 1,356.50 × 596.44
  4. Step 4: Simplify right side
    905.52x = 809,064.47
  5. Step 5: Solve for x
    x = 809,064.47/905.52
  6. Step 6: Final answer
    x = 893.48

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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.