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Finding the Fourth Proportional to 836.52, 1,153.20 and 600.42

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Solution

The fourth proportional to 836.52, 1,153.20 and 600.42 is: 827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.52 : 1,153.20 = 600.42 : x
  2. Step 2: Convert to fraction form
    836.52/1,153.20 = 600.42/x
  3. Step 3: Cross multiply
    836.52x = 1,153.20 × 600.42
  4. Step 4: Simplify right side
    836.52x = 692,404.34
  5. Step 5: Solve for x
    x = 692,404.34/836.52
  6. Step 6: Final answer
    x = 827.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.