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Finding the Fourth Proportional to 836.24, 1,253.57 and 562.41

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Solution

The fourth proportional to 836.24, 1,253.57 and 562.41 is: 843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.24 : 1,253.57 = 562.41 : x
  2. Step 2: Convert to fraction form
    836.24/1,253.57 = 562.41/x
  3. Step 3: Cross multiply
    836.24x = 1,253.57 × 562.41
  4. Step 4: Simplify right side
    836.24x = 705,017.49
  5. Step 5: Solve for x
    x = 705,017.49/836.24
  6. Step 6: Final answer
    x = 843.09

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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.